Maintaining Life

Question 1

Movement

Answer 1

All the activities promoted by the muscular system. (walking and swimming)

Question 2

Responsiveness

Answer 2

The ability to sense changes in the environment and then to react to them.

Question 3

Digestion

Answer 3

The process of breaking down ingested food into simple molecules that can then be absorbed into blood for delivery to all body cells by the cardiovascular.

Question 4

Metabolism

Answer 4

Refers to all chemical reactions that occur within body cells.

Question 5

Excretion

Answer 5

The process of removing excreta, or waste, from the body.

Question 6

Reproduction

Answer 6

The production of offspring, can occur on the cellular or organismal level.

Question 7

Growth

Answer 7

An increase in size, usually accomplished by an increase in the number of cells.

Question 8

Nutrients

Answer 8

Provide nourishment, essential for growth and maintenance.

Question 9

Oxygen

Answer 9

Odorless reactive gas, and the life-supporting component of the air.

Question 10

Water

Answer 10

The single most abundant chemical substance in the body and provides the fluid base for body secretions and excretions. (Accounts for 60 to 80 percent of body weight)

Question 11

Body Temperature

Answer 11

A measure of how well your body can make and get rid of heat.

Question 12

Atmospheric Pressure

Answer 12

The force exerted on the surface of the body by the weight of air.