Circulation

Question 1

This is the largest artery in the body.

Answer 1

Aorta

Question 2

These are the characteristics of dirty blood.

Answer 2

Low O2 and high CO2.

Question 3

This pathway carries blood from the heart to the lungs and back.

Answer 3

Pulmonary Circulation

Question 4

These are the 2 large veins that bring dirty blood to the heart.

Answer 4

Superior Vena Cava

Inferior Vena Cava

Question 5

These structures prevent blood from back-flowing in the heart.

Answer 5

Valves

Question 6

This is the gas exchange that happens in the body cells.

Answer 6

Capillaries drop off O2 and pick up cellular waste in the form of CO2.

Question 7

This long pathway carries blood from the heart to the body and back.

Answer 7

Systemic circulation

Question 8

Most arteries carry this type of blood.

Answer 8

Clean

Question 9

This is the direction arteries carry blood.

Answer 9

AWAY from the heart

Question 10

These are unusual ARTERIES because they carry dirty blood from the heart.

Answer 10

Pulmonary arteries

Question 11

Most veins carry this type of blood.

Answer 11

Dirty

Question 12

This is the direction veins carry blood.

Answer 12

TOWARD the heart

Question 13

These are unusual VEINS because they carry clean blood to the heart.

Answer 13

Pulmonary veins

Question 14

These blood cells carry large amounts of oxygen.

Answer 14

RBC’s

Question 15

This is the liquid component of blood.

Answer 15

Plasma

Question 16

This spot in the heart receives nerve impulses and causes the 2 atria to contract.

Answer 16

Sinoatrial Node

Question 17

This body system works with the circulatory system to recycle fluids back into circulation.

Answer 17

Lymphatic System

Question 18

This is the % of plasma that is composed of water.

Answer 18

90%

Question 19

This is the iron rich protein found in Red Blood cells that carries O2.

Answer 19

Hemoglobin

Question 20

These are the smallest blood vessels in the body.

Answer 20

Capillaries

Question 21

This is the gas exchange that happens in the lung cells.

Answer 21

Capillaries drop off waste CO2 and pick up O2.

Question 22

This is the name of a tiny air sac in the lungs.

Answer 22

Alveoli

Question 23

These heart chambers RECEIVE blood.

Answer 23

Atria

Question 24

These heart chambers disperse blood.

Answer 24

Ventricles

Question 25

This side of the heart controls pulmonary circulation.

Answer 25

Right

Question 26

This is the wall between the 2 ventricles of the heart.

Answer 26

Septum

Question 27

These things help you to avoid cardiovascular disease.

Answer 27

Exercise Control Weight Avoid excessive stress

Question 28

This is the name of the valve found between the right atrium & right ventricle.

Answer 28

Tricuspid valve

Question 29

This side of the heart controls systemic circulation.

Answer 29

Left

Question 30

Clean blood travels through this valve when leaving the heart to go to the body.

Answer 30

Aortic valve

Question 31

These are tiny veins.

Answer 31

Venules

Question 32

These blood cells help fight infection.

Answer 32

White Blood Cells

Question 33

This is the name of the valve between the left atrium and left ventricle.

Answer 33

Mitral Valve

Question 34

These are fragments of broken cells that are used for clotting blood.

Answer 34

Platelets

Question 35

The right ventricle squeezes blood through this valve.

Answer 35

Pulmonary valve

Question 36

These are tiny arteries.

Answer 36

Arterioles

Question 37

This spot in the heart receives an impulse and causes the 2 VENTRICLES to contract.

Answer 37

Atrioventricular Node

Question 38

This is the location of the sinoatrial node.

Answer 38

Right atrium

Question 39

This is the scientific name of red blood cells.

Answer 39

erythrocytes

Question 40

This is normal human blood pressure.

Answer 40

120/80

Question 40

Plasma makes up this % of blood

Answer 40

55%

Question 41

Blood vessels are like the __________ of cities.

Answer 41

Roads

Question 42

This short pathway is from the heart to the lungs and back.

Answer 42

Pulmonary circulation

Question 43

These are the three functions of blood.

Answer 43

Regulate body temperature Transport nutrients and waste Fight infection