Question

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SECTION -A [1x10=10]
1. Fill in the blanks:-
(1x5=5)
Rhythmic beating of heart is an example of
action.
Muscles work by
and stretching
Accidental touching of a hot object is an example of
actio
A seed is made up of a thick outermost covering called the
Spinal cord sends signal to muscles by
nerves.
A seed required warmth, air and for germination.
(1x5=5)
Answer the following :-
Give the expand form of CNS.​

Answer 1

Answer:

1. MUSCULAR CONTRACTION AND RELAXATION/ HEARTBEAT

2. MUSCLES WORKS BY STRETCHING THE MUSCLE FIBRES IN SKELETAL MUSCLES

3. REFLEX ACTION (NOT SURE)

4. SEED COAT

5. NEURONS( BUNDLE OF NEURONS- NERVES)

6. SEED REQUIRES WARMTH, AIR AND WATER FOR GERMINATION

CNS- Compressed Natural Gas