Survival Needs Flashcards
1
Q
What are nutrients?
A
-chemical energy and cell building
-include carbs, proteins, lipids, vitamins, minerals
2
Q
What is oxygen used for in body?
A
Required for chemical reactions
3
Q
Importance of water in your body?
A
-body contains 60-80%
-most abundant chemical in body
4
Q
What is the importance of atmospheric pressure?
A
-must be appropriate for gas exchange
5
Q
What is homeostasis?
A
-equilibrium of your body
-necessary to sustain life
6
Q
what is a homeostatic imbalance?
A
Results in disease
7
Q
What is negative feedback?
A
-shuts OFF original stimulus or reduces intensity
-happens 99% of time
8
Q
What is positive feedback?
A
-INCREASES original stimulus to push variable further
-only happens during child birth, or making blood clot
