1. Answer the following questions
1. What are the main parts of our nervous system?
2. Explain the function of the brain.
Explain the structure of a nerve cell with the help of a diagram.
* Which is the organ of taste? Explain how it helps us to taste ditterent types of food
5. How can you take care of your eyes
6 Drawa labelled diagram showing the structure of the skin.
Answers
Answer:
answer-1) The nervous system has two main parts:
The central nervous system is made up of the brain and spinal cord.
The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.
answer-2)It assembles the messages in a way that has meaning for us, and can store that information in our memory. The brain controls our thoughts, memory and speech, movement of the arms and legs, and the function of many organs within our body. The central nervous system (CNS) is composed of the brain and spinal cord.Neurons are the specialized cells of the nervous system that transmit signals throughout the body. Neurons have long extensions that extend out from the cell body called dendrites and axons. Dendrites are extensions of neurons that receive signals and conduct them toward the cell body.
answer-3)Tongue is a well known sense organ for taste, but it is not alone responsible for taste. We sense the food with the help of Gustatory System, which typically involves- Taste receptors, cranial nerve and a part of brain know as gustatory cortex. Different type to taste excite different receptors.
answer-4)Eat a healthy, balanced diet. ...
Maintain a healthy weight. ...
Get regular exercise. ...
Wear sunglasses. ...
Wear protective eye wear. ...
Avoid smoking. ...
Know your family medical history.....
answer-5) At the top..
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