Human Body System Notes
|Nervous System|| Detects and interprets information from the environment outside the body and from within the body.|
Controls most body functions.
Major organs: brain, spinal cord, peripheral nerves.
|Endocrine System|| Controls many body processes by means of chemicals.|
Major Organs: Glands that produce hormones.
|Reproductive System|| Produces sex cells that can unite to create offspring.|
In females, eggs are produced in the overies.
In males, sperm are produced in the testies.
|Skeletal System|| Supports and protects the body. Works with muscles to allow movement. |
Major Organs: All Bones
|Muscular System|| Enables body to move. Moves food through digestive system. Keeps heart beating.|
Major Organs: All Muscles
|Digestive System|| Takes in food into the body. Breaks down food. Absorbs the digested material. Eliminates the undigested material.|
Major Organs: Mouth, esophagus, stomach, small intestine, large intestine, pancreas, liver
|Circulatory System|| Carries nutrients and oxygen to the body cells. Carries wastes away from body cells.|
Major Organs: Heart, blood vessels ( arteries and veins)
|Respiratory System|| Takes oxygen into the body. Eliminates carbon dioxide from the body.|
Major Organs: Nose, mouth, trachea, lungs, diaphragm
|Excretory System|| Remove Wases.|
Major Organs: Skin, lungs, kidneys, bladder