Answer:
Airborne chemicals are most likely to stimulate <u>olfactory receptors</u>.
Explanation:
It called the Pectoral muscles
<span>The autonomic nervous system is the part of the nervous system that controls muscles of internal organs (such as the heart, blood vessels, lungs, stomach, and intestines) and glands (such as salivary glands and sweat glands</span>
Nutrients. they’re used for energy repair and growth
<span>True, because many people are competitive by nature, so they need the challenge of a good competition in order to feel motivated to do the physical activity. If there is no competition, they don't feel compelled to engage in any physical activity. That's why those people tend to choose team sports or other activities in which they have to compete against other participants.</span>