Red Seal Cosmetology Practice Exam

What is the main responsibility of the nervous system?

1. Developing immunities

2. Controlling and coordinating all other systems of the body

3. Circulating blood

4. Regulating body temperature

The correct answer is: Controlling and coordinating all other systems of the body

The nervous system plays a crucial role in coordinating and controlling all other systems of the body. It is responsible for sending and receiving information from different parts of the body, including the brain, spinal cord, and nerves. This allows the body to respond to internal and external stimuli, maintain homeostasis, and perform various functions such as movement, digestion, and breathing. The other options are incorrect because they do not accurately reflect the main responsibility of the nervous system. While the immune system is responsible for developing immunities, the circulatory system is responsible for circulating blood, and the endocrine system regulates body temperature. However, these systems work in conjunction with the nervous system to maintain overall health and functioning of the body.