What is the body system that sends and recieves electrical signals from the brain?
a. skeletal system
b. nervous system
c. muscular system
d. digestive system

B. NERVOUS SYSTEM is the body system that sends and receives electrical signals from the brain.

The nervous system is divided into two groups. The Central Nervous System and the Peripheral Nervous System.

The Central Nervous System involves the Brain and the Spinal Cord. Its contains the integrative and control centers.

The Peripheral Nervous System involves the cranial nerves and spinal nerves. It is composed of the communication lines between the Central Nervous System and the rest of the body.

Very close in relation to chickens if you look at evolution.