| A | B |
|---|
| integumentary system | your skin,hair and nails protect underlying tissue |
| skeletal system | your bones provide a frame to support and protect body parts |
| muscular system | your skeletal muscles move your bones |
| cardiovascular system | your heart pumps blood through all your blood vessels |
| nervous system | it is the role of this system to send and receive electrical messages throughout the body |
| lymphatic system | returns leaked fluids to blood vessels: helps you get rid of germs that can harm you |
| digestive system | breaks down food into nutrients that can be absorbed into your body |
| endocrine system | glands regulate body functions by sending out chemical messengers |
| respiratory system | your lungs absorb and release oxygen and carbon dioxide |
| urinary system | removes wastes from the blood and regulates the body's fluids |
| reproductive sytem | male- produces and delivers sperm; female- produces eggs and nourishes and shelters unborn baby |
