introduction and start cardiorespiratory system

Question 1

the term for Diastole “remember dia - diarrhoea”

Answer 1

the term used to describe the relaxation phase of the cardiac cycle.

the heart ventricles are relaxed and filled with blood.

Question 2

the term for Systole “contraction”

Answer 2

the term used to describe the contraction phase of the cardiac cycle - the ventricles contract and pump blood to the arteries.

(RV to the pulmonary artery and lungs, LV to the aorta and the body)

Question 3

Stroke Volume (SV)

Answer 3

the volume of blood that leaves the heart during each contraction.

Question 4

Health

Answer 4

a state of complete, physical, mental and social well-being and not merely the absence of disease or infirmity/injury.

Question 5

Fitness

Answer 5

the ability to meet and cope with the demands of the environment

Question 6

Physical Activity

Answer 6

being active and taking part in exercise - can directly benefit your physical health and mental well-being.

Question 7

Heart Rate (HR)

Answer 7

the number of times the heart beats per minute

Question 8

Anticipatory Rise

Answer 8

Slight increase in heart rate usually before activity starts due to the expectation of exercise.

Question 9

Cardiac Output (Q)

Answer 9

the amount of blood the heart pumps out. Measured in litres per minute (L/min)

Q=SV*HR

Question 10

order of the impulse travelling throught the heart:

Answer 10

SAN 
Atrial Systole 
AVN
Bundle of his 
Bundle branches 
Purkinje fibres 
Ventricular systole