What is an Organ System?
Answer
A group of organs that work together to perform a certain function in an organism’s body. For humans we have 12 organ systems in the human body
- Integumentary: skin, hair, nails, sweat glands, sebaceous glands
- Function: protect tissue regulate body temperature and support sensory receptors
- Skeletal: bones, ligaments and cartilage
- Function: provide framework, protect soft tissue provide attachment for muscles produce blood cells and store inorganic salts
- Nervous: brain, spinal cord, nerves, and sense organs
- Function: detect changes, receive and interpret sensory information, stimulate muscles and glands.
- Endocrine: glands that secrete hormones (pituitary, thyroid, parathyroid, adrenal, pineal glands, pancreas, ovaries, testes, and thymus.
- Function: control metabolic activates of body structure
- Cardiovascular: heart, arteries, capillaries, veins
- Function: move blood through blood vessels and transport substances throughout the body.
- Lymphatic: lymphatic vessels, lymph nodes, thymus spleen
- Function: return tissue fluid to the blood, carry certain absorbed food molecules to defend the body against infection.
- Digestive: mouth, togue, teeth, salivary glands, pharynx esophagus, stomach, liver gallbladder, pancreas, small and large intestines.
- Function: receive break down and absorb food eliminate unabsorbed materials.
- Respiratory: nasal cavity, pharynx, larynx, trachea, bronchi, lungs
- Function: intake and output of air, exchange of gases between air and blood.
- Urinary: kidneys, ureters, urinary bladder urethra
- Function: remove wastes from blood, maintain water and electrolyte balance, store and eliminate urine
- Reproductive: male: scrotum, testes, epididymites, ductus differentia, seminal vesicle, prostate gland, bulbourethral gland, urethra, penis. Female ovaries, uterine, tube, uterus, vagina, clitoris, vulva
- Function: Male: produce and maintain sperm cells, transfer sperm cells into Female reproductive tract. Femail: produce and maintain egg cells, receive sperm cells to support development of an embryo and function in birth process.
- Muscular: Skeletal, cardiac, and smooth muscles
- Function: Provides movement, support, and heat production
- Immune: Leukocytes, tonsils, adenoids, thymus, and spleen
- Function: Defends against microbial pathogens—disease-causing agents—and other diseases