Soc 19- The Short Term Effects Of Exercise And Graphs

Question 1

Muscle fatigue

Answer 1

when muscles get tired.

Question 2

Lactate accumulation:

Answer 2

when lactic acid gather in the muscles/ blood due to increased work intensity.

Question 3

Heart rate:

Answer 3

a number of times the heart beats per minute.

Question 4

BPM: .

Answer 4

beats per minute

Question 5

Stroke volume:

Answer 5

the amount of blood pumped by the heart during each beat.

Question 6

Cardiac output:

Answer 6

the amount of blood ejected from your heart in one minute. CO = stroke volume (SV) x heart rate (HR)

Question 7

Oxygen debt:

Answer 7

The amount of oxygen needed at the end of physical activity to break down any lactic acid.

Question 8

What are the Effects on the muscles:

Answer 8

muscle fatigue, lactic accumulation & cramp.

Question 9

What are the Effects on the muscles:

Answer 9

muscle fatigue, lactic accumulation & cramp.

Question 10

What are the Effects on the heart: .

Answer 10

increased HR, stroke volume and cardiac output

Question 11

What are the Effects on the respiratory system:

Answer 11

increased need for oxygen/ removal of CO2.
Increased rate and depth of breathing

Question 12

What benefits do athletes have that are fitter

Answer 12

Athletes who are ‘fitter’ will have a lower RHR and quicker recovery rate.

Question 13

What happens when you exercise hard

Answer 13

When you exercise hard, you use up more oxygen than you take in. This
shortfall creates oxygen debt