neck gland in children; helps immature immune system make white blood cells; disappears by teen years
found in neck; makes hormone thyroxine which controls the rate of metabolism (how rapidly food is burned)
small dots of tissue inside thyroid; control amount of calcium and bone thickness
small 'pyramids' on top of kidneys; hormones aid 'fight or flight' reactions for emergencies
pea-sized; at base of brain; makes growth horone and many other hormones which control other glands; nicknamed master gland
tough bands that connect bones to each other
bands that attach muscles to bones or other muscles
clusters of sacs that make 'oil' to lubricate/smooth movement in joints
in center of long bones; make most red blood cells and some white
yellowish fluid that carries and nourishes blood cells
clear fluid in plasma; passes through blood vessels to wash body cells; collects germs for later destruction
found mostly near joints; here white blood cells destroy germs collected by lymph; when ill, becomes swollen with germs
white blood cells
attack and 'swallow' germs
chemical defenders of the body
outer skin layer
dead layer at surface of epidermis
inner skin layer; contains hair roots and sweat glands
tube that carries food from mouth to stomach
grinds and adds water to food
most digestion and absorption of food happens in this 20 foot tube
water needed during digestion is reabsorbed here
found where small and large intestines join; has no known job in humans
rhythmic muscle contractions that squeeze food through the intestines
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.