Question

What can be achieved/can be prevented? [Textbook question 4c,d pg no.13]

• Regular balanced diet and exercise.
• Proper checking of blood before blood donation.

Answer 1

Answer: Regular balanced diet and exercise.
1. Regular and balanced diet results into perfect health. The disease-fighting power or immunity of a person is increased due to a healthy diet.
2. One can avoid of frequent infections and also mental well-being is established.
3. Heart disease, diabetes, obesity, etc. can be avoided by not consuming high caloric junk food.
4. Exercise improves blood circulation. Many disorders which are caused by a faulty lifestyle can be prevented by having a regular balanced diet and exercise, thus one must always follow these for well-being.

Answer: Proper checking of blood before blood donation.
1. There are definite blood groups.
2. During a blood transfusion, the donor’s and recipient’s blood should be well-matched with each other. Otherwise, blood gets clumped inside the body of the recipient.
3. Through infected blood, the viruses such as those causing hepatitis B or AIDS are transmitted to other healthy persons. Thus, for the prevention of transmission of such diseases, blood should be checked before blood donation.