HEART PARTS
BLOOD & BLOOD VESSELS
BLOOD CIRCULATION
CIRCULATORY SYSTEM ORGANS
HEART HEALTH
100

This muscular organ pumps blood throughout the body.

What is the heart?

100

This liquid tissue carries oxygen, nutrients, and wastes around the body.

What is blood?

100

The movement of blood throughout the body is called this.

What is blood circulation?

100

What organ pumps blood throughout the body?

What is the heart?

100

This activity helps strengthen the heart and improve circulation.

What is exercise/physical activity?

200

This chamber receives oxygen-rich blood from the lungs.

What is the left atrium?

200

These blood vessels carry blood away from the heart.

What are arteries?

200

Blood travels from the heart to the lungs and back to the heart in this type of circulation.

What is pulmonary circulation?

200

What organs add oxygen to the blood and remove carbon dioxide?

What are the lungs?

200

Eating too much of this can increase the risk of high blood pressure and heart problems.

What is salt/sodium?

300

This chamber pumps oxygen-rich blood to the rest of the body.

What is the left ventricle?

300

These blood vessels carry blood toward the heart.

What are veins?

300

Blood travels from the heart to the body and back to the heart in this type of circulation.

What is systemic circulation?

300

What large blood vessel carries oxygen-rich blood from the heart to the body?

What is the aorta?

300

Why is drinking enough water important for the circulatory system?

It helps maintain proper blood volume and circulation.

400

This chamber receives oxygen-poor blood from the body.

What is the right atrium?

400

These are tiny blood vessels where oxygen, nutrients, and wastes are exchanged.

What are capillaries?

400

Blood becomes oxygen-rich when it reaches this organ.

What are the lungs?

400

What blood vessels carry oxygen-poor blood from the heart to the lungs?

What are the pulmonary arteries?

400

Give two habits that help keep the circulatory system healthy.

Regular exercise, eating a balanced diet, getting enough sleep, avoiding smoking, etc.

500

This chamber pumps oxygen-poor blood toward the lungs.

What is the right ventricle?

500

Which blood component carries most of the oxygen in the body?

What are red blood cells?

500

What happens to the blood in the body before returning to the heart?

It gives up oxygen and picks up carbon dioxide.

500

What blood vessels carry oxygen-rich blood from the lungs back to the heart?

What are the pulmonary veins?

500

A student spends most of the day sitting, eats mostly processed food, rarely exercises, and gets very little sleep. Explain how these habits may affect the circulatory system.

They can increase the risk of obesity, high blood pressure, heart disease, and poor cardiovascular health.