Advertisements
Advertisements
प्रश्न
Give reason for the following:
Only the veins and not the arteries are provided with valves.
Advertisements
उत्तर
Veins carry the blood from the body part towards the heart while the arteries carry the blood
from the heart. Veins carry the blood against the force of gravity. Therefore, only the veins
and not the arteries are provided with valves.
संबंधित प्रश्न
Explain ABO blood group system in human being with a suitable chart.
Haemoglobin is present in ______ cells.
The diagram below represents the simplified pathway of the circulation of blood. Study the same and answer the questions which follow:
(i) Name the blood vessels labelled 1 and 2.
(ii) State the function of blood vessels labelled 5 and 8.
(iii) What is the importance of the blood vessel labelled 6?
(iv) Which blood vessel will contain a high amount of glucose and amino acids after a meal?
(v) Draw a diagram of the different blood cells as seen in a smear of human blood.
Name the following:
The blood vessels which start from capillaries and end in capillaries.
Explain with reasons.
Human blood is red coloured.
Put a tick mark (✓) against the correct alternative in the following statement.
Pulmonary vein carries
Fill in the blanks with suitable words given below:
The carbon dioxide loaded blood from right ventricle is pumped into the lungs through ______.
Multiple choice questions. Tick ( ✓ ) the correct choice:
Human heart has
Explain the Term
Hepatic Portal System
Identify the INCORRECT match
