They are the following: (1) Integumentary. (2) Muscular (3) Skeletal (4) Nervous (5) circulatory (6) lymphatic (7) respiratory (8) endocrine (9) urinary/excretory, (10) reproductive (11) digestive.
Integumentary: It regulates body temperature; it also protects the body from the outside world
Muscular: The muscular organ system is chiefly involved in locomotion.
Skeletal: Supports the bones and muscles. It is also involved in blood cell production
Nervous: It coordinates activities of the muscles and organs by maintaining communication in each parts.
Circulatory: It helps in the transport of nutrients, and waste product from parts where they are needed to final destination.
Lymph: It transports lymphs, an infection fighting white blood cells.
Respiratory: It provides the tissue with oxygen and expels Carbon dioxide .
Endocrine: It produces and secretes hormones which regulates body temperature, sexual development and metabolism.
Urinary/excretory: eliminates urine, feaces and other waste matter excreted by the kidney.
Reproductive: It produces male and female sex cells ensures the development of offspring.
Digestive: It digest the food taken into the intestines.
