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.
Quantitative research<span> is a formal, objective, systematic process in which numerical data are used to obtain information about the world. This </span>research<span>method is used: to describe variables; to examine relationships among variables; to determine cause-and-effect interactions between variables.</span>
Answer:
It keeps you fit and being fit is healthier, and being healthy prevents heart disease.
Explanation:
Breathing, and lungs. They are the most important.
It’s C so that the doctor knows that the patient seriously understands
