1. What is a reflex action? Explain with the help of an example.
5. What is the importance of the nervous system?
Long answer questions
2. How can we take care of our eyes?
3. Describe the structure of the eye. Draw a labelled
diagram
4. Name the three parts of the ear. How does sound
travel in our ear?
5. What are different types of nerves? State the
functions of each type of nerves.
honicture given State
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Answers
Answer:
1) Reflex action is defined as an unconcious and involuntary response of effectors to a stimulus.
EXAMPLE- on touching a hot object (stimulus) we immediately remove our hand.
2) The nervous system play's a role in nearly every aspect of our health and well-being. It guides everyday activities such as waking up, automatic activities such as breathing and complex processes such as thinking, reading, remembering and feeling. Nervous system helps in brain growth and development.
3) we can take care of our eyes by
a) eating a healthy and balanced diet.
b) wearing protective eyeweares
c) giving your eyes rest
d) avoid smoking and etc.
4) The ear is made up of three different sectors that work together to collect sounds and send them to the brain: the outer ear, the middle ear, and the inner ear.