Maintenance Of Life

Question 1

Most abundant chemical in the body. It is needed for many metabolic processes and provides the environment for many of them to take place. Important for transportation of substances and regulating body temp.

Answer 1

Water

Question 2

Substances that provide the body with necessary nutrients in addition to water. Used as energy, or building new growth, and or to regulate vital chemical reactions

Answer 2

Food

Question 3

A gas that makes up about 1/5 of ordinary air. Used to release energy from food.

Answer 3

Oxygen

Question 4

A form of energy that is a product of metabolic reactions. The degree of heat present partially determines the rate at which these reactions occur. More heat, the faster chemically reactions happen.

Answer 4

Heat

Question 5

Important for breathing, and takes place during heart action which produces blood pressure which forces blood through the veins.

Answer 5

Pressure