Response To Exercise

Question 1

What happens to the body during exercise?

Answer 1

. The heart rate increases to pump oxygenated blood faster through the muscle cells.
. Breathing rate and breath volume increase. This increases the amount of oxygen entering the blood bloodstream.

Question 2

Describe the process for removing lactic acid from the body

Answer 2

1. Lactic acid built up in the muscle cells during exercise.
2. Blood flows through the muscle cells and transports the lactic acid to the liver.
3. The liver oxidizes the lactic acid and converts it back into glucose.
4. Glucose is then used in aerobic respiration, or it is converted to glycogen and stored in the liver for later use.