1.1.3 tissues

nervous tissue composes

nerves, spinal cord, brain

neurons

specialized cell that makes up nervous tissue

nervous tissue function

receive, interpret, & respond to signals

epithelial tissue is composed of

epithelial cells aligned in sheets and connected to one another

epithelial tissue location

lines outer surfaces of all organs and blood vessels, in the mouth, and on the surface of humans

epithelial tissue function

absorb, secrete, protect, and sense for us

muscle tissue makes up

muscles

types of muscle tissue

striated (skeletal), smooth, cardiac

muscle tissue function

helps body move, pump blood, & control internal organs by tightening & relaxing

connective tissue function

support & connect other tissue types in the body (attach muscle to bones, link bones with joints, enable other tissues ( like lungs ) to stretch )

what tissue type is adipose tissue / fat

connective

orbicularis oculi

ring shaped muscle surrounding eye, controls eyelid closure, blinking, and tear draining

orbicularis oris

circular facial muscle that surrounds mouth, controls shape & movement of lips

temporalis

broad, fan shaped muscle on side of head . elevates & retracts lower jaw to close mouth & chew

nervous tissue

muscle tissue

connective tissue

epithelial tissue

skeletal muscle

enables body movement, supports posture, generates heat

cardiac muscle

squeezes to pump blood throughout cardiovascular system

smooth muscle

moves food, waste, and blood throughout body