The specialized cells that send and receive messages in the brain are neurons.
Which type of specialized cells send and receive messages in the brain?(1 point)
Responses
nutrients
nutrients
enzymes
enzymes
neurons
neurons
osteoblasts
osteoblasts
Remaining Attempts : 3
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page 4 of 4
7 answers
Responses
connective
connective - no response given
epithelial
epithelial - no response given
nerve
nerve - incorrect
muscle
By volume, the eye is mostly made of connective tissue.
Responses
the muscular system
the muscular system
the nervous system
the nervous system
the circulatory system
the circulatory system
the respiratory system
the respiratory system
The body system responsible for sending signals that your body is not in homeostasis is the nervous system.
Responses
nerve cells
nerve cells
blood cells
blood cells
muscle cells
muscle cells
stomach cells
stomach cells
Question 2
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.
Both send signals in the body.
Question 3
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
cell → tissue → organ → organ system → organism
tissue → organ system → organ → organism → cell
tissue → organ system → organ → organism → cell
organ → organ system → cell → organism → tissue
organ → organ system → cell → organism → tissue
cell → organ → organ system → tissue → organism
cell → organ → organ system → tissue → organism
Question 4
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
the path of blood between pharynx and trachea
Question 6
Which organ in the excretory system helps get filter waste?(1 point)
Responses
ureter
ureter
urethra
urethra
bladder
bladder
kidney
kidney
Question 7
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
mouth and stomach
Question 8
Which component of nerve cells contains the nucleus? (1 point)
Responses
axon
axon
cell body
cell body
neuron
neuron
dendrite
dendrite
Question 9
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.
Her pupils shrink because the muscles relax.
Question 10
The human body has four types of tissues. What part of the eye uses muscle tissue for opening and closing movements?(1 point)
Responses
Cornea
Cornea
Iris
Iris
Sclera
Sclera
Retina
Retina
Question 11
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.
A lizard is cold, and it moves to a sunny rock to warm up.
Question 13
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
to organize a group of similar cells
Question 16
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
urethra
Question 19
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.
Signals move from dendrite to dendrite towards motor neurons.
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Here are the answers to your questions:
Question 1: Which cells carry nutrients from food to the rest of the cells in the body?
Answer: blood cells
Question 2: How are blood cells and stomach cells similar?
Answer: Both help maintain homeostasis.
Question 3: Which option shows the correct order of organization within multicellular organisms (from least complex to most complex)?
Answer: cell → tissue → organ → organ system → organism
Question 4: Which statement is true?
Answer: Bones provide shape to the body.
Question 5: What is systemic circulation?
Answer: the path of blood as it moves from the heart throughout the body and back to the heart
Question 6: Which organ in the excretory system helps get filter waste?
Answer: kidney
Question 7: In which two organs is food broken down?
Answer: mouth and stomach
Question 8: Which component of nerve cells contains the nucleus?
Answer: cell body
Question 9: 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?
Answer: Her pupils shrink because the muscles contract.
Question 10: The human body has four types of tissues. What part of the eye uses muscle tissue for opening and closing movements?
Answer: Iris
Question 11: How do polar bears maintain homeostasis in freezing cold weather?
Answer: Their thick fur retains heat.
Question 12: Which example shows an organism that cannot reach homeostasis through internal changes?
Answer: A lizard is cold, and it moves to a sunny rock to warm up.
Question 13: How is homeostasis achieved?
Answer: Cells maintain internal stability.
Question 14: How are muscle cells and bone cells similar?
Answer: Both make it possible for you to respond to your environment by moving.
Question 15: What is the function of an organ system?
Answer: to work together to do a specific job
Question 16: Which is most complex?
Answer: organ system
Question 17: Which organ of the respiratory system is located inside the lungs?
Answer: bronchioles
Question 18: Which organ in the excretory system filters blood?
Answer: kidney
Question 19: What is the term for changes in the internal or external environment that cause a response?
Answer: stimuli
Question 20: How do signals from sensory neurons reach motor neurons?
Answer: Through interneurons in the brain and spinal cord that connect sensory neurons and motor neurons.
If you have further questions or need clarification on any topic, feel free to ask!