Which cells carry nutrients from food to the rest of the cells in the body?(1 point)
29 answers
Red blood cells
in other word the blood cells
Yes, red blood cells (or blood cells in general) are responsible for carrying nutrients from food to the rest of the cells in the body.
Which cells carry nutrients from food to the rest of the cells in the body?(1 point)
The cells that carry nutrients from food to the rest of the cells in the body are called epithelial cells in the intestinal lining.
How are blood cells and stomach cells similar?(1 point)
Responses
Both secrete enzymes.
Both secrete enzymes.
Both help with digestion.
Both help with digestion.
Both help maintain homeostasis.
Both help maintain homeostasis.
Both send signals in the body.
Responses
Both secrete enzymes.
Both secrete enzymes.
Both help with digestion.
Both help with digestion.
Both help maintain homeostasis.
Both help maintain homeostasis.
Both send signals in the body.
Both help with digestion.
Which option shows the correct order of organization within multicellular organisms (from least complex to most complex)?(1 point)
Responses
cell → tissue → organ → organ system → organism
tissue → organ system → organ → organism → cell
organ → organ system → cell → organism → tissue
cell → organ → organ system → tissue → organism
Responses
cell → tissue → organ → organ system → organism
tissue → organ system → organ → organism → cell
organ → organ system → cell → organism → tissue
cell → organ → organ system → tissue → organism
The correct order of organization within multicellular organisms (from least complex to most complex) is: cell → tissue → organ → organ system → organism
Which statement is true?(1 point)
Responses
Bones are organ systems.
Bones are organ systems.
Bones provide shape to the body.
Bones provide shape to the body.
Bones help the heart pump blood.
Bones help the heart pump blood.
Bones are composed of a single layer.
Bones are composed of a single layer.
Question 5
What is systemic circulation?(1 point)
Responses
the path of blood as it moves from the heart throughout the body and back to the heart
the path of blood as it moves from the heart throughout the body and back to the heart
the path of blood between the heart and lungs
the path of blood between the heart and lungs
the path of blood as it moves from the head throughout the body and back to the head
the path of blood as it moves from the head throughout the body and back to the head
the path of blood between pharynx and trachea
Responses
Bones are organ systems.
Bones are organ systems.
Bones provide shape to the body.
Bones provide shape to the body.
Bones help the heart pump blood.
Bones help the heart pump blood.
Bones are composed of a single layer.
Bones are composed of a single layer.
Question 5
What is systemic circulation?(1 point)
Responses
the path of blood as it moves from the heart throughout the body and back to the heart
the path of blood as it moves from the heart throughout the body and back to the heart
the path of blood between the heart and lungs
the path of blood between the heart and lungs
the path of blood as it moves from the head throughout the body and back to the head
the path of blood as it moves from the head throughout the body and back to the head
the path of blood between pharynx and trachea
The true statement is "Bones provide shape to the body."
Systemic circulation is "the path of blood as it moves from the heart throughout the body and back to the heart."
Systemic circulation is "the path of blood as it moves from the heart throughout the body and back to the heart."
Which organ in the excretory system helps get filter waste?(1 point)
In which two organs is food broken down?(1 point)
In which two organs is food broken down?(1 point)
The organ in the excretory system that helps filter waste is the kidney.
Food is broken down in the stomach and small intestine.
Food is broken down in the stomach and small intestine.
In which two organs is food broken down?(1 point)
Responses
esophagus and small intestine
esophagus and small intestine
small intestine and large intestine
small intestine and large intestine
esophagus and stomach
esophagus and stomach
mouth and stomach
Responses
esophagus and small intestine
esophagus and small intestine
small intestine and large intestine
small intestine and large intestine
esophagus and stomach
esophagus and stomach
mouth and stomach
Food is broken down in the esophagus and stomach.
Which component of nerve cells contains the nucleus? (1 point)
A girl has her eyes shut and is standing inside a brightly lit room. What happens to her pupils when she opens her eyes? Why?
A girl has her eyes shut and is standing inside a brightly lit room. What happens to her pupils when she opens her eyes? Why?
The component of nerve cells that contains the nucleus is the cell body or soma.
When the girl opens her eyes in a brightly lit room, her pupils will constrict. This is because the bright light stimulates the cells in her retina, which then send signals to the brain. The brain responds by sending signals to the muscles of the iris, causing the iris to contract and the pupils to become smaller. This allows less light to enter the eye and protects the sensitive structures in the back of the eye from excessive exposure to bright light.
When the girl opens her eyes in a brightly lit room, her pupils will constrict. This is because the bright light stimulates the cells in her retina, which then send signals to the brain. The brain responds by sending signals to the muscles of the iris, causing the iris to contract and the pupils to become smaller. This allows less light to enter the eye and protects the sensitive structures in the back of the eye from excessive exposure to bright light.
A girl has her eyes shut and is standing inside a brightly lit room. What happens to her pupils when she opens her eyes? Why?(1 point)
Responses
Her pupils grow because the muscles contract.
Her pupils grow because the muscles contract.
Her pupils grow because the muscles relax.
Her pupils grow because the muscles relax.
Her pupils shrink because the muscles contract.
Her pupils shrink because the muscles contract.
Her pupils shrink because the muscles relax.
The human body has four types of tissues. What part of the eye uses muscle tissue for opening and closing movements?(1 point)
Responses
Her pupils grow because the muscles contract.
Her pupils grow because the muscles contract.
Her pupils grow because the muscles relax.
Her pupils grow because the muscles relax.
Her pupils shrink because the muscles contract.
Her pupils shrink because the muscles contract.
Her pupils shrink because the muscles relax.
The human body has four types of tissues. What part of the eye uses muscle tissue for opening and closing movements?(1 point)
Her pupils shrink because the muscles contract.
The part of the eye that uses muscle tissue for opening and closing movements is the iris.
The part of the eye that uses muscle tissue for opening and closing movements is the iris.
How do polar bears maintain homeostasis in freezing cold weather? (1 point)
Responses
Their metabolism slows down to preserve heat.
Their metabolism slows down to preserve heat.
They hibernate in warm areas in order to heat their bodies.
They hibernate in warm areas in order to heat their bodies.
Their thick fur retains heat.
Their thick fur retains heat.
Their metabolism speeds up to produce heat.
Their metabolism speeds up to produce heat.
Question 12
Which example shows an organism that cannot reach homeostasis through internal changes? (1 point)
Responses
A dog shivers when it is too cold.
A dog shivers when it is too cold.
Circulation decreases in a bird when it becomes too warm.
Circulation decreases in a bird when it becomes too warm.
A person gets a fever in response to a flu infection.
A person gets a fever in response to a flu infection.
A lizard is cold, and it moves to a sunny rock to warm up.
Responses
Their metabolism slows down to preserve heat.
Their metabolism slows down to preserve heat.
They hibernate in warm areas in order to heat their bodies.
They hibernate in warm areas in order to heat their bodies.
Their thick fur retains heat.
Their thick fur retains heat.
Their metabolism speeds up to produce heat.
Their metabolism speeds up to produce heat.
Question 12
Which example shows an organism that cannot reach homeostasis through internal changes? (1 point)
Responses
A dog shivers when it is too cold.
A dog shivers when it is too cold.
Circulation decreases in a bird when it becomes too warm.
Circulation decreases in a bird when it becomes too warm.
A person gets a fever in response to a flu infection.
A person gets a fever in response to a flu infection.
A lizard is cold, and it moves to a sunny rock to warm up.
Polar bears maintain homeostasis in freezing cold weather by their thick fur retaining heat.
An example of an organism that cannot reach homeostasis through internal changes is when a lizard is cold and moves to a sunny rock to warm up. This is an external change or behavior, not an internal adjustment.
An example of an organism that cannot reach homeostasis through internal changes is when a lizard is cold and moves to a sunny rock to warm up. This is an external change or behavior, not an internal adjustment.
How is homeostasis achieved?
Homeostasis is achieved through a combination of physiological mechanisms and feedback loops. These mechanisms work together to maintain the internal stability and balance of an organism's body. When there is a change or disruption in the internal environment, the body initiates processes to bring conditions back to the desired set point. This is often done through negative feedback loops, where the response opposes the initial change and helps restore equilibrium. Examples of homeostatic mechanisms include temperature regulation, pH balance, blood sugar regulation, and hormone regulation. The specific processes involved vary depending on the function or system being regulated.
How is homeostasis achieved?(1 point)
Responses
Cells maintain internal stability.
Cells maintain internal stability.
Cells secrete stomach enzymes.
Cells secrete stomach enzymes.
Cells control involuntary movements.
Cells control involuntary movements.
Cells control voluntary movements.
Cells control voluntary movements.
Question 14
How are muscle cells and bone cells similar?(1 point)
Responses
Both gather information from inside and outside the body.
Both gather information from inside and outside the body.
Both make it possible for you to respond to your environment by moving.
Both make it possible for you to respond to your environment by moving.
Both control involuntary movements such as the beating of your heart.
Both control involuntary movements such as the beating of your heart.
Both release sweat when the temperature gets too warm.
Both release sweat when the temperature gets too warm.
Question 15
What is the function of an organ system? (1 point)
Responses
to be a basic unit of organization with bodies
to be a basic unit of organization with bodies
to work together to do a specific job
to work together to do a specific job
to control movement in internal organs
to control movement in internal organs
to organize a group of similar cells
Responses
Cells maintain internal stability.
Cells maintain internal stability.
Cells secrete stomach enzymes.
Cells secrete stomach enzymes.
Cells control involuntary movements.
Cells control involuntary movements.
Cells control voluntary movements.
Cells control voluntary movements.
Question 14
How are muscle cells and bone cells similar?(1 point)
Responses
Both gather information from inside and outside the body.
Both gather information from inside and outside the body.
Both make it possible for you to respond to your environment by moving.
Both make it possible for you to respond to your environment by moving.
Both control involuntary movements such as the beating of your heart.
Both control involuntary movements such as the beating of your heart.
Both release sweat when the temperature gets too warm.
Both release sweat when the temperature gets too warm.
Question 15
What is the function of an organ system? (1 point)
Responses
to be a basic unit of organization with bodies
to be a basic unit of organization with bodies
to work together to do a specific job
to work together to do a specific job
to control movement in internal organs
to control movement in internal organs
to organize a group of similar cells
Homeostasis is achieved by cells maintaining internal stability and carrying out various regulatory processes.
Muscle cells and bone cells are similar in the sense that they both make it possible for an individual to respond to their environment by moving.
The function of an organ system is to work together to do a specific job, which can include processes such as digestion, circulation, respiration, or the maintenance of homeostasis.
Muscle cells and bone cells are similar in the sense that they both make it possible for an individual to respond to their environment by moving.
The function of an organ system is to work together to do a specific job, which can include processes such as digestion, circulation, respiration, or the maintenance of homeostasis.
Which is most complex?(1 point)
Responses
cells
cells
organ system
organ system
organs
organs
tissues
tissues
Question 17
Which organ of the respiratory system is located inside the lungs?(1 point)
Responses
bronchioles
bronchioles
nasopharynx
nasopharynx
trachea
trachea
larynx
larynx
Question 18
Which organ in the excretory system filters blood?(1 point)
Responses
kidney
kidney
bladder
bladder
ureter
ureter
urethra
Responses
cells
cells
organ system
organ system
organs
organs
tissues
tissues
Question 17
Which organ of the respiratory system is located inside the lungs?(1 point)
Responses
bronchioles
bronchioles
nasopharynx
nasopharynx
trachea
trachea
larynx
larynx
Question 18
Which organ in the excretory system filters blood?(1 point)
Responses
kidney
kidney
bladder
bladder
ureter
ureter
urethra
The most complex level of organization is the organ system.
The organ of the respiratory system that is located inside the lungs is the bronchioles.
The organ in the excretory system that filters blood is the kidney.
The organ of the respiratory system that is located inside the lungs is the bronchioles.
The organ in the excretory system that filters blood is the kidney.
What is the term for changes in the internal or external environment that cause a response?(1 point)
Responses
signals
signals
messages
messages
nerves
nerves
stimuli
stimuli
Question 20
How do signals from sensory neurons reach motor neurons?(1 point)
Responses
Through interneurons in the brain and spinal cord that connect sensory neurons and motor neurons.
Through interneurons in the brain and spinal cord that connect sensory neurons and motor neurons.
Signals from sensory neurons do not get sent to motor neurons.
Signals from sensory neurons do not get sent to motor neurons.
Motor neurons signal for the body to move the signal toward them.
Motor neurons signal for the body to move the signal toward them.
Signals move from dendrite to dendrite towards motor neurons.
Responses
signals
signals
messages
messages
nerves
nerves
stimuli
stimuli
Question 20
How do signals from sensory neurons reach motor neurons?(1 point)
Responses
Through interneurons in the brain and spinal cord that connect sensory neurons and motor neurons.
Through interneurons in the brain and spinal cord that connect sensory neurons and motor neurons.
Signals from sensory neurons do not get sent to motor neurons.
Signals from sensory neurons do not get sent to motor neurons.
Motor neurons signal for the body to move the signal toward them.
Motor neurons signal for the body to move the signal toward them.
Signals move from dendrite to dendrite towards motor neurons.
The term for changes in the internal or external environment that cause a response is stimuli.
Signals from sensory neurons reach motor neurons through interneurons in the brain and spinal cord that connect sensory neurons and motor neurons.
Signals from sensory neurons reach motor neurons through interneurons in the brain and spinal cord that connect sensory neurons and motor neurons.