Advertisements
Advertisements
प्रश्न
Describe the functions of the: Heart
Advertisements
उत्तर
The heart is a muscular organ that pumps blood to all the cells in our body through a network of blood vessels. It pumps the blood and hence helps in circulating oxygen and nutrients to all body parts. The heart pumps deoxygenated blood to the lungs and oxygenated blood to the rest of the body
APPEARS IN
संबंधित प्रश्न
Give biological reasons for the following statements:
The left ventricle of the heart has a thicker wall than the right ventricle.
Give appropriate biological or technical terms for the following :
The complex consisting of a DNA strand and a core of histones
Given below is certain structure, write the term for the functional activity.
Erythrocytes and …………………………………
Name the following:
The phase of the cardiac cycle in which the auricles contract.
Give reason for the following:
The arteries are deep seated in the body
Choose the correct answer:
English physician who discovered blood circulation was ___________
Name the Following
Oxygen is transported by the blood in the form of
The artificial method of filtering the blood or removing the wastes from the blood.
Serum differs from blood in lacking ____________.
Given below are four statements regarding human blood circulatory system:-
- Arteries are thick walled and have narrow lumen as compared to veins.
- Angina is acute chest pain when the blood circulation to the brain is reduced.
- Persons with blood group AB can donate blood to any person with any blood group under ABO system.
- Calcium ions play a very important role in blood clotting.
Which two of the above statements are correct?
