Multiple choice

How does oxygen reach all parts of the body?

  1. It combines with the digested food.

  2. It gets attached to WBC (White Blood Cells).

  3. It gets attached to haemoglobin which is present in RBC (Red Blood Cells)

  4. It flows directly into vessels.

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Yes, it is correct.The haemoglobin present in RBC gets attached to oxygen and then transports it into all the parts of body.