Question

I) Answer the following Questions: (Long Answers) 3 5 = 15M

1) Explain the process of digestion in humans.

2) Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to

their structure and functioning.

3) Describe double circulation in human beings. Why is it necessary ?

II) Answer the following Questions: ( Short Answers) 6 3 = 18M

1) What are the differences between autotrophic nutrition and heterorophic nutrition ?

2) What advantage over an aquatic organism does a terrestrial organism have with regard to

obtaining oxygen for respiration ?

3) Why is it necessary to separate oxygenated and decrygenated blood in mammals and birds ?

4) How is food transported in Plants ?

5) How is the amount of urine produced regulated ?

6) What would be the consequences of a deficiency of haemoglobin in our bodies ?

III) Fill in the Blanks 41 = 4M

1) The energy produced during respiration is stored in the form of ATP which stands for

_____________________________

2) The liquid part of blood is called __________________________________

3) Normal blood pressure (Systolic/diastolic)is _________________________

4) The filtration units of Kidneys are called ____________________________

IV) Draw a well labelled diagram of structure of Human Heart. 13 = 3M ☺​

Answer 1

Answer:

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Explanation:

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