Question

1.Differentiate between the peripheral and autonomic nervous system.

2. Describe the working of the brain.

Long Answer Questions:

1. Describe the structure of a neuron with the help of a labelled diagram.

2. Describe the structure of the brain. List the functions of each part.

3. Describe the spinal cord. Write its functions also.​

Answer 1

Answer:

1 . peripheral nervous system: Consists of the nerves and ganglia outside of the brain and spinal cord. autonomic: Acting or occurring involuntarily, without conscious control.

2. The brain sends and receives chemical and electrical signals throughout the body. ... Some messages are kept within the brain, while others are relayed through the spine and across the body's vast network of nerves to distant extremities. To do this, the central nervous system relies on billions of neurons