Human Body Organ Systems

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Human Body Organ Systems

Skeletal System

Function: works with muscles to allow movement, supports, and protects major organs

Structure: Bones, joints, and ligaments

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Muscular System

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Function: Enables body to move, allows heart to pump to circulate blood, and moves food through digestive system

Structure ( types of muscles)

Skeletal muscle

Smooth muscle

Cardiac muscle

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Circulatory System

Function: Carries needed materials ( food and oxygen) to body cells, carries wastes away from body cells

Structure: Heart and blood vessels

(Arteries, veins, and capillaries) click here to watch movie

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Respiratory System

Function: Take oxygen into the body and removes carbon dioxide

Structure: :Lungs, bronchi, trachea, and diaphragm

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Digestive System

Function: Takes in food, breaks it down and absorbs ( in small intestines) needed nutrients

Structure:

The organs food passes through:

Mouth->esophagus->stomach->small intestines-> large intestine->rectum-> anus click here to watch movie

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Nervous System

Function: Controls most body functions including sense by carrying information between the brain and body

Structure: Brain, spinal cord, and body nerves

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Reproductive System

Function: produces sex cells and hormones that control male and female characteristics, produces offspring

Structure Testes, ovaries and uterus

Gametes- sex cells ex.) eggs, sperm

Fertilization-The process where the gametes (egg & sperm) fuse to form a new individual in sexual reproduction.

Uterus-Major female reproductive organ where a fertilized egg or zygote will develop until it is ready for childbirth.

Endocrine System

Function: Controls and regulates many body processes with chemicals ( hormones), growth, development, and metabolism

Structure: Adrenal glands

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Excretory/ Urinary System

Function: Removes waste products from the body.urine, feces, carbon dioxide, sweat, bile and worn out cells

Structure: Kidneys, bladder,large intestine,, lungs, skin,liver, and spleen

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Immune system

Function: Fights disease and infection

Structure: Lymph glands, white blood cells

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Epithelial System

Function: Protects the body, keeps water inside and helps regulate body temperature

Structure: Skin, sweat glands

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