Biology
Name the following :
(a) Three kinds of blood vessels
(b) Two types of blood circulation in the human body
(c) The membranous structure which divides the heart into a right and a left portion
(d) The structure responsible for starting electrical impulses that cause the heart to contract and relax in order to keep pumping blood
(e) The scientist who identified different types of blood groups
Related Questions
Name any four heart-related conditions that occur commonly in humans. Briefly explain the cause and symptoms of each of them.
Explain — (a) Universal donor (b) Universal recipient
During surgical operations or during accidents, the patient may be given blood from outside to save his life. What is the technical name of this process ? Briefly explain the precautions to be observed and taken in this process.
Given alongside is a diagram of the human heart showing its internal structure. Label the parts marked 1 to 6, and answer the following questions.
(a) Which type of blood is carried by the blood vessel marked 2?
(b) Name the main artery which takes the blood from heart to different parts of the body?
(c) Which chamber of the heart receives deoxygenated blood from the body?