Biology
Name:
(a) The membranous structure which divides the heart into a right and a left portion.
(b) The structure responsible for starting electrical impulses that cause the heart to contract and relax in order to keep pumping blood.
(c) The scientist who identified different types of blood groups.
Related Questions
Assertion (A): Capillaries are the finest blood vessels in the body, interconnecting arteries and veins.
Reason (R): The interconnection between arteries and veins is very significant because the exchange of water, nutrients, waste materials and respiratory gases occurs from arteries to veins and vice-versa through the capillaries only.
- Both A and R are true.
- Both A and R are false.
- A is true and R is false.
- A is false and R is true.
Match the items in Column A with those in Column B.
Column A Column B (a) Sino atrial node (i) Deoxygenated blood (b) Pulmonary veins (ii) Between right atrium and ventricle (c) Pulmonary artery (iii) Pacemaker (d) Tricuspid valve (iv) Between left atrium and ventricle (e) Biscuspid valve (v) Oxygenated blood Name the three components of circulatory system
Name the four blood groups on the basis of antigens