Advertisements
Advertisements
प्रश्न
Why does the left ventricle possess a thicker wall than the right ventricle?
Advertisements
उत्तर
The left ventricle possess a thicker wall than the right ventricle because it pumps the blood at a higher pressure since blood from the left ventricle goes to all areas of the body while the right ventricle only has to pump blood to the lungs which is a much shorter distance, therefore less pressure is required.
APPEARS IN
संबंधित प्रश्न
Why is blood needed by all the parts of a body?
Describe the function of the heart.
The diagram given below represents a section of the human heart. Answer the questions that follow :
(i) Which parts of heart are in the diastolic phase? Give a reason to support your answer.
(ii) Label the parts numbered 1 and 2 in the diagram. What type of blood flows through them?
(iii) What causes the heart sounds ‘LUBB’ and ‘DUP’?
(iv) Name the blood vessels that supply oxygenated blood to the heart muscles.
(v) Draw neat labelled diagrams of a cross section of an artery and a vein.
A blood vessel which has small lumen and thick wall is ______.
Explain the structure and function of human blood.
Cardiac muscles are ______.
Find the odd one out.
The oxygen-rich blood from the lungs comes into the ______ of the heart.
Differentiate between:
Arteries and Veins.
Analogy
Lungs: Respiratory system:: _______: Circulatory system.
