Body Organization Answers

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Which is an example of how the body maintains homeostasis?

A
increasing thirst when cells are low on water
B
decreasing thirst when cells are low on water
C
shivering when it is hot
D
sweating when it is cold
4

Which lists three living units of the human body in order from the simplest to the most complex level of organization?

A
red blood cell → circulatory system → blood
B
nervous system → nerves → brain
C
red blood cell → heart tissue → circulatory system
D
bone tissue → skeletal system → bone
8

Which lists three units of an organ system in order from the simplest to the most complex?

A
red blood cell → heart → tissue
B
skeleton → bone → bone cell
C
muscle cell → muscle tissue → stomach
D
lung tissue → lung → circulatory system
9

Which group contains only organs in a human body?

A
heart, brain, skin
B
skin, blood, neuron
C
neuron, heart, stomach
D
stomach, blood, brain

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Body Organization Answers — CO-Biology B-CR