Soc 15-17

Question 1

VO2 max

Answer 1

• the volume of oxygen an athlete can consume while exercisinb at max capacity

Question 2

What type of pump is the heart?

Answer 2

• a double pump

Question 3

The right side of the heart …

Answer 3

• pumps deoxygenated blood to the lungs

Question 4

The left side of the heart…

Answer 4

pumps oxygenated blood to the rest of the body

Question 5

What do arteries do?

Answer 5

• carry blood away from the heart, the aorta is the largest artery

Question 6

What do veins do?

Answer 6

• veins carry blood back to the heart, the vena cava is the largest vein

Question 7

The pulmonary artery

Answer 7

• the only artery that carries deoxygenated blood

Question 8

Two atria

Answer 8

• collect blood as it comes into the heart

Question 9

Two ventricles

Answer 9

• pump blood out of the heart

Question 10

Valves

Answer 10

• between the atria to stop backflow of blood

Question 11

Septum

Answer 11

• divides the heart into two halves

Question 12

Vena cava

Answer 12

• brings deoxygenated blood from the body into the right atrium

Question 13

Tricuspid valve

Answer 13

• where the venous blood passes from the right atrium to the right ventricle

Question 14

Biscupid valve

Answer 14

• where the oxygenated blood passes through to the left ventricle

Question 15

Cusp

Answer 15

• a triangular fold or flap of a heart valve

Question 16

Systole

Answer 16

• the phase of the heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries

Question 17

Diastole

Answer 17

• the phase of the heartbeat when the heart muscle relaxes and lets the chambers fill with blood

Question 18

Blood pressure

Answer 18

• pressure of the blood against the walls of the blood vessels, especially the arteries

Question 19

Inspiration

Answer 19

• breathing in

Question 20

Expiration

Answer 20

• breathing out

Question 21

Oxygen debt

Answer 21

• the amount of oxygen needed at the end of a physical activity to break down any lactic acid

Question 22

Erythrocyte

Answer 22

• red blood cell

Question 23

Leukocyte

Answer 23

• white blood cell

Question 24

Pathogen

Answer 24

• an agent that cuases disease

Question 25

Antibody

Answer 25

• chemical that destroys a pathogen

Question 26

Seretonin

Answer 26

• hormone that triggers the clotting process

Question 27

Vascular shunting

Answer 27

• process that increases blood flow to active areas during exercising by diverting blood away from inactive areas; acheived by vasodilation and vasoconstriction

Question 28

Vasodilation

Answer 28

• increasing the diamteter of blood vessels to increase blood flow to tissues

Question 29

Vasoconstriction

Answer 29

• reducing the diameter of blood vessels to reduce blood flow to tissues