Body structures

Integumentary System

• Encloses external body structures

• Is the site of many sensory receptors.

(Hair, skin, nails)

Skeletal System

• Enables movement )with muscular system)

• Supports the body

• (Bones, joints, cartilage)

Muscular System

• Enables movement (with skeletal system)

• Helps maintain body temperature

• (skeletal muscles, tendons)

Nervous System

• Detects and processes sensory information

• Activates bodily responses

• (Brain, spinal cord, peripheral nerves)

Endocrine System

• Secretes hormones

• Regulates bodily processes

• (Pituitary gland, thyroid gland, pancreas, adernal glands, testes, ovaries)

Cardiovascular System

• Delivers oxygen and nutrients to tissues

• Equalizes temperature in the body

• (Heart, blood vessels)

Lymphatic System

• Returns fluid to blood

• Defends against pathogens

• (Thymus, Lymph nodes, spleen, lymphatic vessels)

Respiratory System

• Removes carbon dioxide from the body

• Delivers oxygen to blood

• (Nasal passage, trachea, lungs)

Digestive System

• Processes food for use by the body

• Removes wastes from undigested food

• (Stomach, liver, gall bladder, large intestine, small intestine)

Urinary System

• Controls water balances in the body

• Removes wastes from blood and excretes

• (Kidneys, Urinary bladder)

Male reproductive system

• Produces sex hormones and gametes

• Delivers gametes to female

• (Epididymis, testes)

Female reproductive system

• Produces sex hormones and gametes

• Support embryo/fetus until birth

• Produces milk for infant

• (Mammary glands, ovaries, uterus)