Advertisement Upgrade to remove ads

body systems

cells

individual units, parts of your body are composed of

tissues

similar cells grouped together

organs

collection of different tissues working together

systems

groups of organs working together

circulatory system

(heart, blood, and blood vessels such as arteries, veins and capillaries) transports blood (containing all types of blood cells) throughout the body

lymphatic system

includes lymph vessels, and nodes that carry a clear fluid called lymph. Lymph contains white blood cells called lymphocytes that fight against disease and play an important role in immunity

digestive system

brings food into the body and breaks it down so that it can enter the bloodstream

endocrine system

composed of glands, sends chemical messages called hormones into the blood to act on other glands and organs

female&male reproductive system

produce the cells (egg&sperm) that join to form the embryo. Male (testis)&female (ovary) sex organs produce hormones as well

musculoskeletal system

including muscles, bones, joints, and connective tissue, supports the body and allows it to move

nervous system

carries electrical message to and from the brain and spinal cord

respiratory system

controls breathing, a process by which air enters and leaves the body

skin and sense organ systems

including the skin and eyes tears, receives messages from the environment and sends them to the brain

urinary bladder

produces urine and sends it out of the body through the kidneys ureters, bladder and urethra

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

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.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set