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Ch. 2 Lesson 2

Total questions: 8

Worksheet time: 4mins

Name
Class
Date
1.

Hollow, muscular organ located in the center of the chest; pumps blood into the circulatory system

a)

Heart

b)

Lung

c)

Kidneys

d)

Vessels

2.

Sheet of muscle beneath the lungs and above the abdomen that contracts and relaxes to help the chest expand so a person can inhale or exhale

a)

Lungs

b)

Bronchi

c)

Diaphragm

d)

Throat

3.

Two air passages, each of which connects the trachea to a lung

a)

Diaphragm

b)

Veins

c)

Lungs

d)

Bronchi

4.

The exchange of oxygen and carbon dioxide between the body and the air around it is called respiration.

a)

True

b)

False

5.

Blood vessels that carry oxygen-rich blood.

a)

Plasma

b)

Veins

c)

Arteries

d)

Capillaries

6.

Small arteries that deliver oxygen and nutrients to cells and pick up cells' waste.

a)

Veins

b)

Plasma

c)

Arteries

d)

Capillaries

7.

Liquid part of blood.

a)

Plasma

b)

Veins

c)

Arteries

d)

Capillaries

8.

Blood vessels that carry oxygen-poor blood

a)

Capillaries

b)

Veins

c)

Arteries

d)

Plasma