Internal organs include the four major systems of the body as the respiratory system, digestive system, urinary system, and reproductive system. Internal organs mainly refer to the organs in the body, which can be categorized into four major systems according to their functions.
1. The respiratory system consists of the lungs, nose, pharynx, trachea, bronchial tubes, larynx, etc. The respiratory system provides oxygen to the body and discharges metabolic wastes from the body.
2. The digestive system consists of the stomach, small intestine, large intestine, liver, gallbladder, pancreas, spleen, esophagus, duodenum, etc., which are involved in digestion and absorption of the body and provide energy.
3. The reproductive system consists of testes, penis, scrotum and vas deferens in males and uterus, vagina, fallopian tubes and ovaries in females, etc. The reproductive system has the role of nurturing life.
4. The urinary system includes the bladder, kidneys, ureters, urethra, etc. It discharges metabolic wastes from the body.
If you feel unwell, please consult a doctor in time and take active treatment so as not to miss your condition.