Circulation

Question 1

The blood delivers what to our body cells?

Answer 1

oxygen and nutrients

Question 2

What’s an artery?

Answer 2

it carries blood away from the heart

Question 3

What’s a vein?

Answer 3

it carries blood to the heart.

Question 4

The way the blood flows for the artery and the vein is exceptional for what?

Answer 4

the pulmonary circulation

Question 5

Gas exchange occurs in what?

Answer 5

In the capillaries

Question 6

What are the two types of circulation?

Answer 6

1- systemic

2- pulmonary

Question 7

What is systemic?

Answer 7

it carries oxygen and nutrients to the body cells.

Question 8

The lungs deliver ________ blood to the body? and the ________ blood from the body.

Answer 8

oxygenated, deoxygenated

Question 9

What is pulmonary?

Answer 9

it carries deoxygenated blood to the lungs to get rid of it

Question 10

the body receives oxygenated blood from the ______.

Answer 10

lungs

Question 11

The _____ delivers the deoxygenated blood to the lungs.

Answer 11

heart

Question 12

What propels the blood/circulates it?

Answer 12

the heart

Question 13

How many chambers does the heart have?

Answer 13

four

Question 14

What is the role of the valve?

Answer 14

to pump blood from chamber to chamber and to keep the blood flowing in one direction

Question 15

When does your heart beat the fastest. name three things?

Answer 15

1- exercise
2- scared
3- nervous

Question 16

when does your heart beat the slowest?

Answer 16

when your sleeping

Question 17

Why is exercise good for your heart?

Answer 17

when your muscles need more oxygen it forces the heart to beat faster which strengthens the heart

Question 18

What makes the heart contract?

Answer 18

electricity

Question 19

What sends electricity to the heart?

Answer 19

the patch of nerves on the right side of the heart

Question 20

What is the name of the natural pace maker?

Answer 20

Sinoatrial nerves

Question 21

What happens when you have a heart attack?

Answer 21

the fat clogs the blood vessel so the muscles down stream are deprived of oxygen

Question 22

How do the walls of the artery compare to those of the vein?

Answer 22

There are the same amount of layers but the walls are thinner for the veins.

Question 23

Blood always circulates in the _____ direction.

Answer 23

Same.

Question 24

Blood circulates ________.

Answer 24

Continuously.

Question 25

What organ pumps blood throughout the body?

Answer 25

The heart.

Question 26

What is plasma?

Answer 26

The liquid that surrounds the cells in the blood.

Question 27

Which cells carry oxygen?

Answer 27

Red Blood Cells.

Question 28

Which cells help fight diseases?

Answer 28

White Blood Cells.

Question 29

What are platelets?

Answer 29

Tiny things to help clot and seal the cut.

Question 30

What does blood travel through?

Answer 30

Blood vessels.

Question 31

What’s an atrium?

Answer 31

The two upper chambers in the heart.

Question 32

What’s a ventricle?

Answer 32

The two lower chambers in the heart.

Question 33

Whats the vena cava?

Answer 33

A vein that brings the blood from the body to the heart to the heart to go to the lungs.

Question 34

Whats the aorta?

Answer 34

An artery that brings the now oxygenated blood from the heart to the body.

Question 35

Whats another name for the white blood cell?

Answer 35

Leukocyte

Question 36

Whats hemoglobin?

Answer 36

Its what makes the red blood cells red and it contains iron.

Question 37

What protein helps clot the blood when theres a cut?

Answer 37

Fibrinogen.