Advertisements
Advertisements
Question
Give reason:
Neurotransmitters are broken down by an enzyme just after passing an impulse from one neuron to the other.
Solution
- Enzymes break down neurotransmitters after passage to prevent excessive activation of postsynaptic cells.
RELATED QUESTIONS
Differentiate between Dendrites and axons.
Differentiate between the following pair of terms:
Receptor and effector.
Answer the following questions briefly:
How are the cytons and axons placed in the brain and the spinal cord?
Differentiate between:
Rods and Cones.
‘A’ is a cylindrical structure that begins from the lower end of the medulla and extends downwards. It is enclosed in bony cage ‘B’ and covered by membranes ‘C’. As many as ‘D’ pairs of nerves arise from the structure ‘A’.
(i) What is A?
(ii) Name (a) bony cage ‘B’ and (b) membranes ‘C’
(iii) How much is D?
The longest fibre on the cell body of a neuron is called ____________.
Junction between two neurons is called ____________.
Identify the parts of a neuron which help the nerve impulse to travel towards the cell body.
Write one word for the following:
Long thread-like part of the nerve cell.
Name the following:
Three types of neurons