Answer: b. Carry on a conversation
Explanation:
There are different levels of intensity when exercising and these require different energy levels and different amounts of air coming into the lungs.
The CDC notes that if you are exercising at a moderate level, the energy and oxygen requirements will not be as high so you can be able to talk to other people without being short of breath from needing more of the oxygen and energy that is being used in the talking.
Answer:
I believe it's D as well.
Explanation:
Nothing else seems to pop out at me as "perpetuate common sexual stereotypes"
If a person abruptly stops an intense cardio workout without cooling down, then an aneurysm and heart attack may occur.
Answer: C
Cardio means heart so you can eliminate D. When you work intensely and abruptly stop you weaken the artery wall which will cause an aneurysm.