Chapter Three Vocab Flashcards
system
group of organs arranged so that the group can perform a more complex function than any one organ can perform alone
Organ
group of several tissue types that performs a speical function
integumentary system
the skin; the largest and most important organ in the body
appendages
something that is attached
skeletal system
the bones, cartilage and ligaments that provide the body with a rigid framework for support and protection
joints
articulation
muscular system
the muscles of the body
voluntary muscle
the contractions in the muscle are under conscious control
smooth muscle/ involuntary muscle
tissue found in blood vessel walls, other tubular structures, and in the lining of the hollow organs such as the stomach and small intestine
cardiac muscle
the specialized muscle tissue of the heart
nervous system
the brain, spinal cord and the organs
nerve impules
specialized signals that communicate between body functions, integrate body function control body functions and recognize sensory stimuli
stimuli
things that affect the body
sense organs
generate nervous impulses that travel to the brain or spinal cord where analysis or relay occurs and, if needed, appropriate action is initiated.
endocrine system
specialized glands that secrete chemicals known as hormones directly into the blood
hormones
substance secreted by an endocrine gland
cardiovascular system
the heart and a closed system of vessels made up of arteries, veins and capillaries
Lymphatic System
composeed of lymph nodes, lymphatic vessels, and specialized lymphatic organs like the tonsils, thymus and spleen
thoracic duct
larges lymphatic duct in the body
Respiratory system
nose, pharynx, larynx, trachea, bronchi and lungs .
alvioli
tiny thin walled sacs of the lungs
digestive system
the primaryorgans and the secondary or accesory organs
GI tract
a tube open at both ends in the digestive system
feces
undigested residue
