Heart Basics
Blood Vessels
Blood Flow Pathway
Vocabulary
Functions & Facts
100

How many chambers does the heart have?

Four

100

Arteries carry blood ________ the heart.

Away from

100

Where does blood go to get oxygen?

The lungs

100

What is the gas your body needs to make energy?

Oxygen

100

What does blood carry to your cells?

Oxygen and nutrients

200

What are the top chambers of the heart called?

Atria

200

Veins carry blood _______ the heart.

Toward

200

Blood enters the heart through which upper chambers?

Atria

200

What gas does your body get rid of when you exhale?

To move blood, oxygen, and nutrients through body

200

What organ pumps blood through the body?

The heart

300

What are the bottom chambers of the heart called?

Ventricles

300

What tiny blood vessels connect arteries and veins?

Capillaries

300

After leaving the right ventricle, where does blood go?

The lungs

300

What is the job of the circulatory system?

To move blood, oxygen, and nutrients through the body

300

Why is the left ventricle the strongest chamber?

It has to pump blood to the entire body (FREE POINT)

400

Which side of the heart pumps blood to the lungs?

Right side

400

Which blood vessel carries oxygen-poor blood to the lungs?

Pulmonary artery

400

After blood picks up oxygen, which chamber does it enter?

Left atrium

400

Define "circulation"

The continuous movement of blood through the body

400

What happens at the capillaries?

Oxygen and nutrients move into cells; waste moves out (FREE POINT)

500

Which side of the heart pumps blood to the body?

Left side

500

Which blood vessel carries oxygen-rich blood back to the heart?

Pulmonary vein

500

What is the correct order of blood flow starting at the body?

(Body → ? → ? → ? → ? → Body)

Body → Right atrium → Right ventricle → Lungs → Left atrium → Left ventricle → Body

500

What is the name of the largest artery in the body?

Aorta

500

Why is the circulatory system important for survival?

It provides cells with oxygen and nutrients and removes waste