Question

1. Name six different organ systems present in the human body.
2. What is backbone and where is it present in our body?
3. How is movement brought about in the following animals?
(a) Cockroach
(b) Earthworm (c) Snail (d) Fish
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Answer 1

Answer:

1) Heart , Lungs , Brain , Resperatery System , Kidney , Liver

2) The series of vertebrae extending from the skull to the pelvis; the spine. It is situated in the upper back to the waist of the human body.

3) a) Exoskeleton

b) Chaetae

c) Muscular Foot

d) Fins

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