Unit 3 Healthy Body 2

1. Which of the following protect our body from germs naturally?

• A. Red blood cells

• B. White blood cells

• C. Medicines

• C. All above

2- Skin cells die after every __________________ days.

• A. 25

• B. 15

• C. 19

• D. 30

1. Bone cells die after to years?

• A. 15, 19

• B. 15, 25

• C. 19, 25

• C. 19, 25

1. Which of the following is the richest source of proteins?

• A. Meat

• A. Egg

• A. Peanuts

• A. Soya beans

1. Infection in our body spread due to increase of which of the following factor?

• A. Bacteria

• B. Germs

• C. Toxins

• D. Antibiotics

Q2: Define: Virus, Infection and Toxins.

Q3: What do you mean by vaccination? Why it is important?

How different kinds of germs enter in our body? Explain.

Q5: List out different things which we should be followed to keep ourselves safe from diseases.