Nervous Control In Himans Flashcards
What do the brain and spinal cord form
They form the central nervous system
What are electric impulses
They are electric signals that pass along nerve cells ( neurons )
What is the plural name for glands and muscles
Effectors because they go into action when they receive nerve impulses or hormones
What are sensory organs
They are nerve impulses from the sense organs to the central nervous system
What are motor impulses
They are impulses form the central nervous system to the effectors ( muscles and glands )
What makes up the peripheral nervous system
The nerves that connect the body to the central nervous system
What are the 3 types of neurons
Motor , sensory and relay
What do motor neurons do
Carey impulses from the central nervous system to muscles and glands
What do sensory neurons do n
They carry impulses from the sense organs to the central nervous system
What do Relay neurons do
Their neither sensory nor motor but they make connections to other neurons in the nervous system
What are dendrites
The branching fibers from the neurons
Describe a nerve
White , visible , tough and stingy and has plenty nerve fibers
