Enumerate the Survival Needs
Nutrients
Oxygen
Water
Body Temperature
Atmospheric Pressure
● includes; carbs, proteins, fats, vitamins, minerals.
● provides energy, build cells, protect organs, and enable chemical reactions.
Nutrients
● releasing enery from food, supplied by the respiratory and cardiovascular systems
Oxygen
● 60 - 80% of body weight
● most abundant substance
Water
What is Water needed for?
Secretions, excretions, and fluid balance
What Temperature must the Body be near? Why so?
Must be near 37°. Too low or too high disrupts metabolism and can be fatal
necessary for breathing and gas exchanged; low pressure (high altitudes) can impair metabolism
Atmospheric Pressure