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प्रश्न
List out the functions of Endocrine system and Nervous system.
उत्तर
- The endocrine system regulates various functions of the body and maintains the internal environment.
- Endocrine glands produce chemical substances called “Hormones’ which control various activities of the body.
Eg. Growth hormone controls growth, Adrenalin hormone acts at the time of fear stress, etc.
- Functions of the nervous system:
- Sensory input: The conduction of signals from sensory receptors.
- Integration: The interpretation of the sensory signals and the formulation of responses.
- Motor output: The conduction of signals from the brain and spinal card to effectors such as muscle and gland cells.
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संबंधित प्रश्न
In a neuron, the conversion of electrical signal to a chemical signal occurs at/in:
The human body contains a large number of cells A which are very long and branched, and look like electric wires. The longest branch of this cell is B whereas there are many small branches C. Any two A cells do not join to one another completely in the human body. There is a microscopic gap D between every pair of adjacent A cells through which electric impulses can pass by the release of a chemical substance.
(a) What are cells A?
(b) What is the name of (i) branch B, and (ii) branches C?
(c) What is the microscopic gap D known as?
(d) What is the function of cells like A in the human body?
(e) The cells A are of three types. name the three types.
Fill in the blank:
Basic structural unit of the nervous system is the ..................
State whether the following statement is true (T) or false (F):
Each neuron consists of three parts called cell body, cyton, and axon.
Explain the term: Mixed nerve
Explain the Term: Synapse
______ and ______ increases the surface area of cerebrum.
Define stimulus.
Which nerve controls the movement of shoulder muscle and neck?
How is an electric impulse created in human nervous system?
