Circulatory and respiratory TEST

The __________ system carries oxygen and nutrients to all parts of our bodies.

• respiratory

• circulatory

What does the circulatory system help our blood carry away from our body?

• oxygen

• hydrogen

• carbon dioxide

• helium

How many chambers does the heart have?

• 1

• 2

• 3

• 4

What makes the heartbeat sound we hear?

• ventricles squeezing blood.

• circulating blood

• valves opening and closing

• heart muscle contracting

Number 8 represents which part of the heart?

• Right Atrium

• Left Atrium

Number 2 represents which part of the heart?

• Right Atrium

• Left Atrium

Atria pumps blood to the:

• Arteries

• Body cavities

• Veins

• Ventricles

Letter G is pointing to

• Right atrium

• Left Atrium

• Right ventricle

• Left ventricle

Which of the following brings blood back to the heart from the lungs?

• C

• D and K

• E

• B

After dropping off oxygen to the body, blood will re-enter the heart through the

• pulmonary veins

• aorta

• superior and inferior vena cava

• pulmonary arteries