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Unit 1 Review

Total questions: 13

Worksheet time: 14mins

Name
Class
Date
1.
If the environment gets cold, we will often shiver in order to:
a)
keep body temperature the same as the external temperature
b)
decrease body temperature
c)
increase body temperature
d)
regulate blood pressure
2.
The maintenance of an organism’s internal environment is called:
a)
compensating
b)
homeostasis
c)
balancing
d)
routine
3.
a body system that controls and coordinates all body activities through electric impulses/messages between brain, spinal cord and nerves.
a)
endocrine system 
b)
nervous system
c)
nerve
d)
neuron
4.
What is the immune system’s main purpose?
a)
Let’s germs into the body.
b)
Helps your body fight off  illness and disease.
c)
The immune system produces illness and bacteria.
d)
The immune system trap germs in an organ so they do not spread.
5.

Organize the parts of the body system in the correct order from simplest to most complex.

a)

Cells, tissues, organs, organ systems, organism

b)

Organism, organ system, organs, tissues, cells

c)

tissues, cells, organism, organ, organ systems

d)

cells, organs, organ systems, tissues, organism

6.

The lungs and respiratory system work closely with what other system to bring oxygen to the body?

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Digestive

7.

What is the basic function of the heart in the cardiovascular system?

a)

The basic function of the heart is to pump blood throughout the entire body.

b)

The basic function of the heart is to deliver lymph throughout the body.

c)

The basic function of the heart is to transport blood throughout the body

d)

The basic function of the heart is to deliver nutrients throughout the body.

8.

What is the main purpose of the Digestive System?

a)

Get rid of wastes from metabolism

b)

Break down foods to gain nutrients

c)

exchange carbon dioxide and oxygen

9.

What is the main purpose of the Excretory System?

a)

Get rid of wastes from metabolism

b)

Break down foods to gain nutrients

c)

exchange carbon dioxide and oxygen

10.

What is the main purpose of the Respiratory System?

a)

Get rid of wastes from metabolism

b)

Break down foods to gain nutrients

c)

exchange carbon dioxide and oxygen

11.

Negative feedback is when....

a)

the body reacts to a change from the normal state by causing an even greater change.

b)

the body changes an internal condition back to its normal state.

12.

Positive feedback is when....

a)

the body reacts to a change from the normal state by causing an even greater change.

b)

the body changes an internal condition back to its normal state.

13.

When the body senses that blood glucose level is too high, the pancreas releases insulin to decrease the amount of glucose in the blood. What type of feedback is this an example of?

a)

Positive Feedback

b)

Negative Feedback