There are many systems in the human body. These systems include the circulatory system, respiratory system, immune system, skeletal system, excretory system, urinary system, muscular system, endocrine system, digestive system, nervous system and the reproductive system. I will give the basics on each system.
The circulatory system includes the heart and blood vessels. It pumps blood to the body which sends oxygen to the cells and takes away waste. The respiratory system includes the nose
Words: 341 - Pages: 2