What do the brain and spinal cord make up?

What do the brain and spinal cord make up?

Together, the brain and spinal cord are known as the central nervous system (CNS).

What nervous system does the brain and spinal cord make?

The brain and spinal cord make up the central nervous system. Nerves everywhere else in the body are part of the peripheral nervous system.

What does the spinal cord produce?

The spinal cord functions primarily in the transmission of nerve signals from the motor cortex to the body, and from the afferent fibers of the sensory neurons to the sensory cortex. It is also a center for coordinating many reflexes and contains reflex arcs that can independently control reflexes.

How is the brain spinal cord protected?

The brain and spinal cord are protected by bony structures — the skull and spinal column. Meninges are membranes that cover and protect the brain and spinal cord.

What is the biggest part of the brain?

cerebrum
The largest part of the brain, the cerebrum has two hemispheres (or halves). The cerebrum controls voluntary movement, speech, intelligence, memory, emotion, and sensory processing.

What is the main function of spinal cord?

The spinal cord is a complex organization of nerve cells responsible for movement and sensation. It carries signals between the brain and the rest of the body.

What body system is the most important?

While your heart is a vital organ, the brain (and the nervous system that attaches to the brain) make up the most critical organ system in the human body. The human nervous system is responsible for coordinating every movement and action your body makes.

What a real brain looks like?

Human Brain Tissue Your brain is the size of a large grapefruit, but it looks like a large pinkish-gray walnut. There are many folds and creases and it feels soft and squishy. It weighs about 1 pound at birth, 2 pounds at elementary age, and 3 pounds as an adult.

What part of the brain controls emotions?

limbic system
The limbic system is a group of interconnected structures located deep within the brain. It’s the part of the brain that’s responsible for behavioral and emotional responses.

How are the brain and spinal cord protected?

The brain and spinal cord are protected by bony structures — the skull and spinal column. Meninges are membranes that cover and protect the brain and spinal cord. There are three layers of meninges: Dura mater, which is closest to the bone.

What is the strongest nerve in your body?

sciatic nerve, largest and thickest nerve of the human body that is the principal continuation of all the roots of the sacral plexus.