Soc19: The Short-term Effects Of Exercise

Question 1

Effects on the muscles

Answer 1

-muscle fatigue, when your muscles feel weak and tired
-occurs due to anaerobic respiration
-cramps, which causes the muscles to contract in a painful way

Question 2

Effects on the heart

Answer 2

-your heart beats faster
-increased stroke volume
-heart rate decreases
-cardiac output, the amount of blood pumped in a minute

Question 3

Effects on the respiratory system

Answer 3

-when you exercise you need to bring in more oxygen and get rid of more carbon dioxide
-therefore as you exercise the depth and rate of your breathing increases
-when you exercise hard, you use up more oxygen than you take in. This shortfall creates oxygen debt