1.24 The Short-Term Effects Of Exercise On The Muscular System

Question 1

What happens to muscles if working aerobically?

Answer 1

Lactic acid production will be low

Question 2

What happens to the muscles if working anaerobically?

Answer 2

Blood leaving the muscles will contain lower levels of oxygen and higher levels of carbon dioxide and lactic acid, if the muscle work anaerobically

Question 3

What does a build up of lactic acid result in?

Answer 3

Muscle fatigue

Question 4

What is muscle fatigue?

Answer 4

Th reduction in the ability of a muscle to produce force

Question 5

When is lactic acid formed?

Answer 5

Lactic acid is a by-product formed when the body is exercising anaerobically at high intensity.

Question 6

What is created when muscle work anaerobically?

Answer 6

An oxygen debt

Question 7

Why does the cardiovascular and respiratory system continue to work hard after exercise?

Answer 7

To repay the oxygen debt and replenish your muscles with oxygen.

They slowly return back to normal as the body recovers