Zoology Body Fluids and Circulation questions from NEET UG 2010.
Fastest distribution of some injectible material/medicine and with no risk of any kind can be achieved by injecting it into the
Given below are four statements (A-D) regarding human blood circulatory system A. Arteries are thick-walled and have narrow lumen as compared to veins. B. Angina is acute chest pain when the blood circulation to the brain is reduced. C. Persons with blood group-AB can donate blood to any person with any blood group under $\mathrm{ABO}$ system. D. Calcium ions play a very important role in blood clotting. Which two of the above statements are correct?