Answer the following in details: [7*4=28]
1. How does the burrowing habit help desert animals to overcome the scarcity of water?
2. Write in brief about deficiency diseases on account of lack of specific vitamins and minerals.
3. List five personal habits which can be prevent the spread of communicable diseases.
4. Write a note on A,B,O blood group system in human beings.
5. Write down the important differences between arteries& veins
7. a. what is meant by non communicable diseases?
b. name the types of non-communicable diseases.
c. Write at least two examples of types of communicable diseases.
don't write faltu answer
Answers
Answer:
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Explanation:
Answer:
1.ans The burrowing habit is useful because most of the water is at least 4 foot deep and the water down there is very pure.
2.ansVitamin B1: Deficiency of vitamin B1 causes beriberi, that results in weak muscles and severe weight loss. Acute deficiency can lead to paralysis and cardiac failure. Vitamin B6: Lack of vitamin B6 causes deficiency diseases such as anaemia and certain skin disorders such as cracks around the mouth.
3.ans Learn these healthy habits to protect yourself from disease and prevent germs and infectious diseases from spreading.
Handle & Prepare Food Safely. ...
Wash Hands Often. ...
Clean & Disinfect Commonly Used Surfaces. ...
Cough & Sneeze Into Your Sleeve. ...
Don't Share Personal Items. ...
Get Vaccinated. ...
Avoid Touching Wild Animals.