Body Organization Answers

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After running, Ollie’s blood pressure was high. As a result, his nervous system sent a message to decrease his heart rate and blood flow.Which system worked with the nervous system to maintain homeostasis?

A
skeletal
B
circulatory
C
respiratory
D
digestive
2
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Which best explains how the body maintains homeostasis?

A
All systems work together to stabilize the body.
B
Each system works independently to stabilize the body.
C
All systems work together to match the external environment.
D
Each system works independently to match the external environment.
3

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
4

The hairs on Xander’s arms just started lying flat against his skin. Which is most likely his internal body temperature?

A
35°C, or 95°F
B
47°C, or 114.8°F
C
36°C, or 96.8°F
D
38°C, or 100.4°F
5

Which conditions need to be in balance for cells to function? Check all that apply.blood sugarfood intakebody waterbody temperaturebody mass

A
blood sugar
B
food intake
C
body water
D
body temperature
E
body mass
6

The esophagus, stomach, and small intestines all function together to digest food and absorb nutrients. Which level of organization is being described?

A
tissue
B
organism
C
organ
D
organ system
7

Jasmine is a healthy girl who is playing outside. Her internal body temperature rises to 100.4°F (38°C).How does her body most likely respond to help her return to homeostasis?

A
by shivering
B
by sweating
C
by producing goosebumps
D
by making hair stand up
8

Two views of a kidney.

Question illustration
A
organ
B
tissue
C
organ system
D
cell
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
10

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

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