Answer :
1. answer is C the body sweats to cool down
2. answer is A the sweat evaporates and the energy required for this causes our body to cool
3. Answer is D you shiver to heat up
4. The friction caused by the shivering helps to warm up the body
5. answer is C Oxygen is taken in more quickly as you breath heavier and your body pumps blood extra hard to supply your body with the oxygen to replenish your body with oxygen
hope that helps
2. answer is A the sweat evaporates and the energy required for this causes our body to cool
3. Answer is D you shiver to heat up
4. The friction caused by the shivering helps to warm up the body
5. answer is C Oxygen is taken in more quickly as you breath heavier and your body pumps blood extra hard to supply your body with the oxygen to replenish your body with oxygen
hope that helps