Anatomy and Physiology

What are the 8 necessary life functions for the human body?

Boundaries, Movement, Responsiveness, Digestion, Metabolism, Excretion, Reproduction, Growth.

What are the five survival needs of humans?

Food, Oxygen, Water, Temperature, Atmospheric pressure.

Define homeostasis.

A dynamic state of equilibrium that maintains the body's equilibrium regardless of environmental changes.

What role do the nervous and endocrine systems play in homeostasis?

They regulate and maintain the body's homeostasis by responding to stimuli.

What are the four effectors in the body?

Skeletal muscle, cardiac muscle, glands, smooth muscle.

What mechanism does the body use to maintain homeostasis?

Negative feedback mechanism shuts off the original stimulus once homeostasis is reached.

Provide an example of positive feedback in the body.

Labor contractions and blood clotting.

What are the four primary tissues in the human body?

Epithelial, Connective, Muscle, Nervous.

List the six levels of structural organization in the body.

Chemical, Cellular, Tissue, Organ, Organ system, Organism.

Where does life begin according to the structural organization in the body?

At the cellular level.