Question

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Complete the sentences- (1x4=4)

a) During inhalation, the ribs ___________________.

b) Frogs are amphibians that mean ____________.

c) The heart is enclosed in _____________.

d) Blood vessels are of three kinds- ___________.​

Answer 1

Answer:

Answers given below. Do check

Explanation:

a) During inhalation, the ribs move up and outwards and diaphragm moves down.

b) Frogs are amphibians that mean they are small vertebrates that need water, or a moist environment, to survive.

c) The heart is enclosed in a thin pericardium formed of the single pericardial membrane.

d) Blood vessels are of three kinds- arteries, veins, and capillaries.

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