Heart
Lungs
Blood vessels
Blood
Circulatory system
100

How many chambers does the heart have?

4

100

When you breathe in air, you bring oxygen into your lungs, what do you blow out?

carbon dioxide

100

What are the three types of blood vessels?

arteries, veins, and capillaries

100

How many blood cells are there in one ounce (30 ml) of blood?

150 Billion

100

What does the circulatory system do?

The circulatory system carries oxygen, nutrients, and hormones to cells. Then remove waste products.

200

What are those chambers called?

The right atrium, the right ventricle, The left atrium, the left ventricle

200

Are the two lungs the same size?

no

200

What do the arteries do?

They carry oxygen-rich blood away from the heart to all of the body's parts

200

Does a man have more blood than a woman?

Yes they do.

200

What 3 things make up your circulatory system?

the heart, lungs, and blood vessels

300

What wall separates the left side and right side of the heart?

The septum

300

How many gallons of air do you breath in each day?

Between 2,100 and 2,900

300

What do the capillaries do?

Capillaries form the connection between the vessels that carry blood away from the heart.

300

How much blood is in the human body?

An adult has around 4l in their body.

300

What are the 3 types of circulation?

Systemic circulation, Coronary circulation, Pulmonary circulation

400

What is the average size of the heart?

An adult fist

400

When you age, do your lungs hold less air?

yes

400

What do the veins do?

The veins take oxygen-poor blood back to the heart.

400

How many blood cells are there in 40 l?

2.4 Trillion

400

What is the difference between arteries and veins?

Arteries carry oxygen-rich blood away from the heart, to all different parts of the body. Veins carry oxygen-low blood to the heart for reoxygenation.

500

How many times does your heart beat in a day?

115, 000

500

What is the work of breathing done by?

Diaphragm

500

How long could the blood vessels travel to?

about the entire globe

500

How many blood cells does the human manufacture per second?

17 million

500

How long does the human circulatory system strech?

Two and a half circumference of the earth (66,000 miles)