the cardiovascular system

Question 1

how many times does the heart beat per minute, and how many times a day?

Answer 1

70 times per minute and 100,000 times a day

Question 2

how many gallons of blood does the heart pump

Answer 2

200 gallons

Question 3

what three layers does the heart consist of?

Answer 3

pericardium, myocardium, endocardium

Question 4

what are the two upper chambers of the heart called?

Answer 4

Atria

Question 5

what are the two lower chambers of the heart called?

Answer 5

ventricles

Question 6

where in the heart are semilunar valves found?

Answer 6

between the ventricles and arteries

Question 7

where are the Atrioventricular valves found?

Answer 7

between the atria and ventricles

Question 8

name 5 functions of blood?

Answer 8

transport oxygen & nutrients
carry cells & antibodies
form blood clots (stop blood loss)
regulate body temperature
helps remove bodily waste

Question 9

what is Atherosclerosis?

Answer 9

the hardening of arteries

Question 10

what is blood pressure

Answer 10

the force that blood applies to the walls of the arteries

Question 11

the volume of blood pumped out by the heart in one minute is known as?

Answer 11

cardiac output

Question 12

the resistance the blood vessels offer to blood flow is known as?

Answer 12

total peripheral resistance

Question 13

what is the measurement of optimal blood pressure?

Answer 13

120/80mmHg

Question 14

Valsalva manoeuvre occurs when?

Answer 14

you hold your breath during heavy weight training

Question 15

according to ACSM guidance, what should be the focus of an exercise programme for a person with mild to moderate hypertension?

Answer 15

aerobic exercise, moderate intensity resistance training