Systems in our body
The heart
Organs
Lungs
bones
100

What is another name for the circulatory system?

The cardiovascular system

100

How many atriums and ventricles are there all together?

4

100

What organs are in the circulatory system? The heart and the _______

lungs

100

how many lungs do you have?

2 lungs

100

What are the bones that surround the lungs called?

Rib cage

200

What are important part of circulatory system?

The veins and the heart.

200

How many tubes does an aorta have?

3 tubes

200

What is the largest organ in the body?

Skin

200

When we breath air what do we use

oxygen

200

What bone supports the back?

The spine

300

What is the circulatory system?

They are a network of blood vessels. In the blood vessels, they contain blood cells, nutrients, and oxygen. The nutrients make energy to operate the body.

300

how big is the heart?

the size of a adults hand

300

What is the smallest organ in the body?

The pineal gland

300

When we breath air what do we get rid of

carbon dyoxid

300

how many bones in the human body?

206 bones

400

What system contains the stomach

The digestiv system

400

how many liters of blod does your heart pup every day?

7570,824

400

what organ can regenerate by its self?

the liver

400

How many air sacks/alveoli do you have

600 million

400

how many bones do you have at birth?

300

500

Which atrium does blood leave to the lungs?

The right atrium.

500

how many times does your heart beat each day?

115000 times

500

what helps the lungs inflate?

diaphragm

500

what helps bone get stronger?

calcium