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bones, muscles, skin

funtions of skeletal system shape and support, enables movement, protects internal organs, produces blood cells, stores certain materials
vertebrae 26 small bones that make up your backbone
marrow soft connective tissues in the spaces in bone
cartilage a connective tissue more flexible than bone
joint a place where two bones come together that allows bones to move in different ways.
immmovable joints joints that connect bones allowing very little or no movement
movable joints most joints are this, they allow the body to have a wide range of movement.
ball and socket joint joints that allow a lot of movement
pivot joint a joint allows one bone to rotate around the other
hinge joints a joint that allows extensive forwand and backward motion
gliding joint a joint that allows bones to slide over each other
ligament a strong connective tissue that holds movable joints
how to take care of your bones balanced diet and regular exersice
osteoporosis mineral loss of bones
fracture a break in a bone
sprain when ligaments are stretched ant torn in places
dislocation when a bone comes out of its joint
x-ray an image taken to see if a bone has been broken they pass through skin and tissue to get photos if area beneath the surface
magnetic resonance imaging images that are very clear and can be of tissues
preventing skeletal injuries warming up before exersice, exercsing in safe places and wearing the proper safety eqipment
involuntary muscles muscles that are not under concoius control
voluntary muscles muscles that are under your control
types of muscles smooth, skeletal, cardiac
skeletal muscles muscles that are attached to your skeleton
smooth muscles involuntary muscles that are found on insides of many inner organs
cardiac muscle muscle that is involuntary and does not get tired.
muscles at work muscle cells can contract, not extend, so skeletal muscles work in pairs. one muscle contract while the other goes back to its normal length.
skin: tough covering skin cover the body, preventing loss of water. it protects from infections and injuries and regulates body temperatures. it eliminates waste and gathers information about and environment and also produces vitamin D.
epidermis the outer or top layer of skin.
dermis the lower layer of skin. it contains blood vessels and nerves.
pores openings at the surface of the skin.
follicles structures that strands of hair grow in in the dermis.
caring for skin eat properly, drink water, limit sun exporsure, keep skin clean
cancer a disease when certain body cells divide uncontrollably. this can be caused by to much sunlight damage.
acne a bacterial infection to skin
Created by: throwback