Unit 1 Anatomy Test

lymphatic system

picks up fluid leaked from blood vessels and returns it to the blood stream, houses white blood cells

nervous system

control system; response to internal and external changes by activating muscles and glands.

skeletal system

protects, supports, framework for muscles, makes blood cells, stores minerals

endocrine system

glands secrete hormones that regulate processes such as growth, reproduction and metabolism

reproductive system

production of sex cells for reproduction

urinary system

filters poisonous nitrogenous waste from the blood stream, regulates water and electrolyte balance

digestive system

breaks down food into absorbable units, eliminates undigestible material into feces

cardiovascular system

blood vessels transport blood, heart pumps blood

respiratory system

keeps blood supplied with oxygen and removes carbon dioxide

integumentary system

forms the external body covering, protects deeper tissue, synthesis vitamin D

muscular system

allows movement, locomotion, facial expressions, maintains posture, produces heat

superior

toward the head

inferior

toward the feet

medial

toward the midline or middle of the body

lateral

away from the midline, towards the sides

proximal

toward the body or trunk

distal

away from the body or trunk

anterior

front of the body

posterior

back of the body

growth

increase in size

excretion

removing wastes from the body

Boundaries

Maintaining _____________ : cell membranes and skin keep "inside" separate from "outside

Digestion

the process of breaking down food into smaller more absorbable pieces.

reproduction

production of offspring

responsivity

the ability to sense changes in the environment

metabolism

refers to all the chemical reactions occurring in the body cells

movement

all activities promoted by the muscular system, such as walking or pushing substances though the body.

5 levels of structural organization

cell-tissue-organ-organ system- human