Body Systems Chart

System / Illustration / Structures / Function
Digestive / / Mouth: Beginning of digestion
Stomach: acids and muscles break down food
Small intestine absorbs nutrients from food
Large intestine absorbs water / breaks down food into substances that cells can absorb and use.
Circulatory / / Heart: Muscle that pushes blood through arteries
Arteries: Carry blood away from heart the has oxygen and nutrients
Veins: Carry blood to the heart that is low in oxygen and high in waste / delivery system of the body. It delivers nutrients and oxygen throughout the body cells and picks up waste.
Respiratory / / Lungs take in oxygen into the body and release carbon dioxide
Diaphragm muscle that forces the lungs to expand and contract and bring air into and out of the lungs. / brings oxygen into the body and removes carbon dioxide.
Excretory / / Kidneysis a filter for the blood
Includes the sweat glands, the lungs, the kidney system, urinary system and others. / disposes of wastes and controls body fluid levels
Immune / / Includes white blood cells that fight bacteria and viruses / Fights infection and illness. Includes the white blood cells
Skeletal / / Bones, cartilage, ligaments, tendons / provide support and structure to the body
Blood cells are made in bone marrow
Muscular / / Muscles including voluntary and involuntary / allow movement of bones and body parts by working with the nervous and skeletal systems
Nervous / / Brain, spinal cord, nerves / receives stimuli from inside and outside of the body and responds to change
Maintains homeostasis which is the regulation of steady, life-maintaining conditions by all of the body systems
Integumentary / / Includes skin (largest organ of the body), hair, and fingernails / The skin protects and provides a barrier to keep out foreign materials and to prevent the body from drying out.
Endocrine / / Glands and hormones / Regulates body functions through chemical messengers called hormones,Controls things such as homeostasis, development, and growth
Reproductive / / Female: ovaries, uterus, vagina
Male: testis, penis, scrotum / Performs reproduction, controls male and female functions and behaviors