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Body Organization — Quiz Answers

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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
bone tissue → skeletal system → bone
D
red blood cell → heart tissue → circulatory system
4

Which best explains how the body maintains homeostasis?

A
Each system works independently to stabilize the body.
B
All systems work together to match the external environment.
C
All systems work together to stabilize the body.
D
Each system works independently to match the external environment.
5

Which describes organs in the human body?

A
a group of cells that work together to perform a common function
B
the largest living unit
C
the smallest living unit
D
a group of tissues that work together to perform a common function
7

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

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

Which group contains only organs in a human body?

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

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