Question 1
A)Which cells carry nutrients from food to the rest of the cells in the body?(1 point)
Responses
muscle cells
muscle cells
blood cells
blood cells
nerve cells
nerve cells
stomach cells
stomach cells
Question 2
A)How are blood cells and stomach cells similar?(1 point)
Responses
Both help maintain homeostasis.
Both help maintain homeostasis.
Both send signals in the body.
Both send signals in the body.
Both help with digestion.
Both help with digestion.
Both secrete enzymes.
Both secrete enzymes.
Question 3
A)Which option shows the correct order of organization within multicellular organisms (from least complex to most complex)?(1 point)
Responses
cell → organ → organ system → tissue → organism
cell → organ → organ system → tissue → 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 → tissue → organ → organ system → organism
cell → tissue → organ → organ system → organism
Question 4
A)Which statement is true?(1 point)
Responses
Bones provide shape to the body.
Bones provide shape to the body.
Bones are organ systems.
Bones are organ systems.
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
A)What is systemic circulation?(1 point)
Responses
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 the heart and lungs
the path of blood between the heart and lungs
the path of blood between pharynx and trachea
the path of blood between pharynx and trachea
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
Question 6
A)Which organ in the excretory system has a function similar to that of the esophagus in the digestive system?(1 point)
Responses
bladder
bladder
ureter
ureter
kidney
kidney
urethra
urethra
Question 7
A)In which two organs is food broken down?(1 point)
Responses
esophagus and stomach
esophagus and stomach
small intestine and large intestine
small intestine and large intestine
mouth and stomach
mouth and stomach
esophagus and small intestine
esophagus and small intestine
Question 8
A)When you get home, you smell cookies baking. You respond by walking toward the kitchen. Many signals move through your nervous system in this process. Which component is involved first? (1 point)
Responses
dendrites in your sensory neurons
dendrites in your sensory neurons
axons in your sensory neurons
axons in your sensory neurons
dendrites in your motor neurons
dendrites in your motor neurons
axons in your motor neurons
axons in your motor neurons
Question 9
A)Which component of nerve cells contains the nucleus? (1 point)
Responses
axon
axon
cell body
cell body
dendrite
dendrite
neuron
neuron
Question 10
A)Which of the following observations could you make based on stimuli to your thermoreceptors?(1 point)
Responses
The ice cream is cold.
The ice cream is cold.
The ice cream is sweet.
The ice cream is sweet.
The ice cream is white.
The ice cream is white.
The ice cream is heavy.
The ice cream is heavy.
Question 11
A)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 shrink because the muscles relax.
Her pupils shrink because the muscles relax.
Her pupils shrink because the muscles contract.
Her pupils shrink because the muscles contract.
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.
Question 12
A)The human body has four types of tissues. What part of the eye uses muscle tissue for opening and closing movements?(1 point)
Responses
Iris
Iris
Cornea
Cornea
Sclera
Sclera
Retina
Retina
Question 13
A)How do polar bears maintain homeostasis in freezing cold weather? (1 point)
Responses
Their thick skin insulates the internal organs against the cold.
Their thick skin insulates the internal organs against the cold.
Their thick fur retains heat.
Their thick fur retains heat.
Their metabolism slows down to preserve heat.
Their metabolism slows down to preserve heat.
Their metabolism speeds up to produce heat.
Their metabolism speeds up to produce heat.
Question 14
A)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.
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.
Circulation decreases in a bird when it becomes too warm.
7 answers
Question 1: blood cells
Question 2: Both help maintain homeostasis.
Question 3: cell → tissue → organ → organ system → organism
Question 4: Bones provide shape to the body.
Question 5: the path of blood as it moves from the heart throughout the body and back to the heart
Question 6: bladder
Question 7: esophagus and stomach
Question 8: dendrites in your sensory neurons
Question 9: cell body
Question 10: The ice cream is cold.
Question 11: Her pupils grow because the muscles relax.
Question 12: Iris
Question 13: Their thick fur retains heat.
Question 14: Circulation decreases in a bird when it becomes too warm.
I hope this helps. Let me know if you need more information.
21 answers