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simple compounds are use to manufacture material needed for tissue function, growth, and repair.
function of the cell or plasma membrane
Basic unit of life, show all characteristics of life-organization, metabolism, responsiveness, homeostasis, growth, reproduction
this requires cellular energy, movement of particles from lower to higher concentration.
what are the four main types of tissues classification
epithelial tissue, connective tissue, muscle tissue, nervous tissue.
what are the four muscle tissue
Skeletal muscle-voluntary, also called the striated muscle; Cardiac muscle-involuntary; Smooth muscle-involuntary.
what are the three main layers of the skin
epidermis-outermost layer; dermis-the true skin middle layer; subcutaneous innermost layer.
The function of the integumentary system
Protection against infection; Protection against dehydration; Regulation of body temperature; Collection of sensory information; Other activities of the skin-absorption , excretion, manufacture of vitamin D.
there are 12 pairs attached to the brain; Carry special and general sensory impulses; Carry somatic and visceral motor impulses; Types sensory (1,2,8); Motor (3,4,6,11,12); Mixed (5,7,9,10).
there are 31 pairs, each nerve is attached to the spinal cord by two roots, the dorsal and the ventral root. Spinal nerves carry messages to and from the spinal cord.`
They are nerves that either control or supply muscles in the eye, neck, larynx, and tongue (3,4,6,11,12).
carries impulses of the eye, upper jaw, and lower jaw toward the brain; These nerves also deal with taste, facial muscles for expression, stimulates small salivary gland and lacrimal (tear) gland, also supplies most of the organs in the thoracic and abdominal cavities; carries motor impulses to the larynx (voice box) in short they work both sides of the nerves (5,7,9,10).
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