32 terms

Muscular and Integumentary Systems

purpose of skin
prevents the loss of water and covers the whole body
purpose of skin
protects the body from injury and infection
purpose of skin
regulates body temperature
purpose of skin
eliminates waste
purpose of skin
gathers information about the environment
purpose of skin
produces vitamin d
what happens when you become too warm?
blood vessels enlarge to increase the amount of blood that flows theough them
how do sweat glands react to excess heat?
they produce perspiration
how does excess heat from your body move into the air?
as perspiration evaporates from your skin, heat moves into the air
what are 3 things nerves in your skin provide information about?
pressure, pain, temperature
what is needed for skin to produce vitamin d?
why is vitamin d healthy for strong bones?
it helps the cells in your digestive system absorb calcium in your food which you need for your body
outermost layer of skin
below the epidermis and above the fat layer
fat layer
lower layer below dermis
structures found in epidermis
epidermal cells, pores, dead cells, cell to produce hard nails, melanin
structures found in dermis
nerves and blood cells, sweat glands, hair follicles, oil glands
structures found in fat layer
fat cells
function of the epidermis
protect the body, produce melanin to prevent burns, hard nails for protection, shedding helps remove bacteria, dead cells cushion
function of the dermis
keep skin moist from oil glands, produce sweat
function of the fat layer
pad internal organs, keep heat in the body
what is one way to keep healthy skin?
clean and dry skin
what is one way to keep healthy skin?
drink water
what is one way to keep healthy skin?
limit exposure to the sun
what is one way to keep healthy skin?
eat properly
skeletal, smooth, and cardiac muscle is
muscle tissue
skeletal and smooth muscle are
cardiac is
involuntary and doesn't get tired
why do skeletal muscles work in pairs?
so they can contract not extend
muscle connected to tissue
tires quickly
doesn't tire quickly