Respuesta :

2514918

Answer:

The human body is composed of organs that are part of different body systems that allow the human body to work. The design of the body will be explored as well as the different tissues that combine to make the different organs such as the heart and lungs.

Explanation:

Pancaketheprotogen

The brain sends signals of muscle movement and nerves. When our muscles and nerves get the signals, they start doing what the brain told them.