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प्रश्न
Draw a neat and labelled diagram.
Internal structure of the heart.
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उत्तर
Internal structure of the heart.
संबंधित प्रश्न
Give appropriate biological or technical terms for the following :
The complex consisting of a DNA strand and a core of histones
Name the following:
The valve present in between the chambers on the right side of the human heart.
Differentiate between members of the following pairs with reference to the aspect asked within bracket:
artery and vein (type of blood primarily flowing through)
How do you account for the following difference?
The walls of the right ventricle are thicker than those of the right auricle.
Blood consists of two parts - a liquid part and a cellular part. Name these parts and briefly write about them
Describe the functions of the: Heart
Write a short note on the human heart.
Given below is a schematic representation of the circulatory system in man. Study the same and answer the questions that follow:
(i) Label the parts 1 to 4 indicated in the diagram.
(ii) Give one difference between parts 1 and 2 based on:
(a) their structure
(b) the nature of blood flowing through them.
(iii) What is the specific name of the type of blood circulation that takes place between the heart and the lungs?
(iv) Name the valve found at the beginning of the part labeled 3.
Complete the following sentence with appropriate word:
The membranous covering of the heart is _______.
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?
