Maintenance of life Flashcards
1
Q
What are requirements of organisms to maintain life?
A
Water Heat Pressure Food oxygen
2
Q
Describe water
A
Required for any metabolic processes
Provides environment for internal processes
3
Q
Describe heat
A
Form of energy produced in metabolic reactions
Temperature controls reaction in the body
4
Q
Describe pressure
A
Atmospheric pressure is needed for breathing
Needed to move blood through blood vessels to deliver o2 and nutrients to the cells
5
Q
Why do we need food?
A
Must supply proper quality and quantity of nutrients
6
Q
What is o2 used to do?
A
Release energy from food
