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:
Standing up straight
Explanation:
His spin is broken so he won't be able to have a good posture
Pregnant women have a lot of greater negative risks by smoking. They do include miscarriage. After the baby is born SIDS is at a greater risk as well but the correct answer would be miscarriage. <span />
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