10 BODY FUNCTIONS

CIRCULATORY SYSTEM

• Heart, veins, and lungs.
• It's job is to circulate blood around the body so that there's oxygen.

NERVOUS SYSTEM

• Brain, nerves, and spinal chord
• It sends signals from the brain to the rest of the body to do important things.

SKELETAL SYSTEM

• The bones.
• Provides structure so that our bodies aren't a mush.

MUSCLE SYSTEM

• The muscles.
• Allow us to have movement.

DIGESTIVE SYSTEM

• Esophagus, stomach, small intestine, large intestine, liver, gall bladder, mouth.
• It breaks down food and absorbs nutrients.

ENDOCRINE SYSTEM

• The glands.
• Produces hormones to help regulate the body.

IMMUNE SYSTEM

• The skin, lymph nodes, white blood cells.
• Defends the body from germs, bacteria, etc.

URINARY SYSTEM

• Kidneys, bladder, uterus.
• Produces urine, extracts urine and waste.

REPRODUCTIVE SYSTEM

• Ovaries, and testes.
• It's for making babies and passing on genes.

RESPIRATORY SYSTEM

• Lungs, trachea, pharynx, larynx, diaphragm.
• It helps you breathe in air.