Brain
Which of the 3 nerve cells transmit impulses from the brain of spinal cord to a muscle or gland?
What is a motor neuron?
PNS
The middle layer of meninges, it is described as weblike
What is arachnoid mater
A single deep groove that separates the left and right hemispheres
What is the longitudinal fissure?
The Central Nervous System is composed of....
What is the Spinal Cord and Brain
What is the direction of a nerve impulse on a neuron (name the end where it starts and the end where it ends, in order)
What is cell body to axon terminal?
Brain
What is the CNS
Name the two divisions of the Peripheral Nervous System
What is autonomic nervous system and somatic nervous system?
Carries impulse from a sense receptor (skin, skeletal muscles etc.) to the brain or spinal cord.
What are Sensory Neurons
Spinal nerves
What is the PNS
Part of the autonomic nervous system, the division that prepares the body for "fight or flight"
What is the sympathetic nervous system?
Controls blood pressure, breathing, heart rate
What is Medulla Oblongata?
The long fiber that carries nerve impulses.
What is an axon?
spinal cord
What is the CNS?
A signalling molecule that is secreted by a neuron, and affects another neuron across a synapse.
What is a neurotransmitter?
The spinal cord connects the ___ to the ___.
What is brain and nerves?
The covering of fatty material that speeds up the passage of nerve impulses.
What is myelin sheath?
cranial nerves
PNS
Provides a watery cushion for the brain and spinal cord...
What is Cerebral Spinal Fluid?