objective question class 10 biology
NEXT TOPPER INSTITUTE Jind Haryana working of heart if you want notes and full video then comments OBJECTIVE QUESTIONS ON TRANSPORTATION 1. The smallest blood vessel in the body is a. capillary b. artery c. vein d vena cava 2. Arteries carry oxygenated blood except : a. pulmonary b. cardiac c. hepatic d. systemic 3. Four chambere...