vocab Flashcards
systolic phase
the blood pressure as the
heart is pumping blood into the cardiovascular
system.
diastolic phase
the blood pressure after
the heart has completed a pumping stroke.
endocrine system
a system of glands that
secrete hormones into the bloodstream.
alimentary tract
the organs from the mouth to the anus. The GI
tract is a portion of the alimentary tract.
integumentary system
the body covering, i.e., skin, hair, and nails.
lymphocytes
a type of white blood cells
(leukocytes) that helps the body defend itself
against bacteria and diseased cells.
flexor movement
an expansion or outward
movement by muscles.
neuron
the functional unit of the nervous system
osseous tissue
the rigid portion of the bone tissue.
alveoli
a part of the lungs where gases are exchanged between
blood and the air.
nephron
the functional unit of the kidney responsible for removing
wastes from the blood and producing urine.
conjunctiva
the eyelid lining.
lacrimal gland
the gland that produces tears for the eyes.
cornea
the transparent outer part of the eye.
retina
the inner lining of the eye that translates light into
nerve impulses.
