Survival Needs Flashcards
1
Q
Oxygen
A
-essential for release of energy from food
-the body can survive only a few minutes without oxygen. Need oxygen for cellular respiration
2
Q
Water has the most
A
Abundant chemical in body
3
Q
Water provides the
A
Watery environment needed for chemical reactions
4
Q
Water also is fluid base for
A
Excretion and secretion
5
Q
Normal body temperature
A
If body temp falls below or goes above 37C rates of chemical reactions are affected. If the temperatures go high the proteins stop working denature
6
Q
Appropriate atmospheric pressure
A
Specific pressure of air is needed for adequate breathing and gas exchange in lungs and lung ventilation