Primarily means for the most part, so it means This type of physical fitness is mostly influenced by an individual's exercise habits.
I think it’s probably the 3rd answer it gives the patient an opportunity to add more detail
Which one of the following choices is an effective way to prevent low-back pain?
c. maintain correct posture.
I don't even think so because waste has to come out
Explanation:
The endocrine hormones help control mood, growth and development, the way our organs work, metabolism , and reproduction. The endocrine system regulates how much of each hormone is released. This can depend on levels of hormones already in the blood, or on levels of other substances in the blood, like calcium.
Without your endocrine glands — and the hormones they release — your cells wouldn't know when to do important things. For instance, your bones wouldn't get the message that it's time for you to grow and get bigger.
hope it helps!
