CBSE 2025 · Region 3 · Set 1 · Q23 · 2 marks
State the main function of veins in human circulatory system. Why do they not need thick walls ?
Marking-scheme solution
Veins carry deoxygenated blood from different organs and bring it back to the heart.
Because blood flows at low pressure inside veins.
Life ProcessesTransportation in Human BeingsUnderstandvery_short_answereasy
More from Life Processes
- (i) "The length of the small intestine in various animals depends on the food they eat." Justify the…2025 · asked 3×
- Secretion of less saliva in mouth will effect the conversion of:2025 · asked 3×
- In human alimentary canal, the digestive juice secreted by the gastric glands are2025 · asked 3×
- Listed below are the steps of nutrition in Amoeba. Select the correct sequence of these steps: (i) Diffusion…2025 · asked 3×
- The maintenance functions of all living organisms must go on even when they are not doing anything…2025 · asked 3×
- Select TRUE statements about lymph from the following: A. Lymph vessels carry lymph through the body and…2025 · asked 3×
- One-cell thick blood vessels are known as:2025 · asked 3×
- Assertion: Xylem tissue moves water and minerals obtained from the soil by the roots. Reason (R): Xylem…2025 · asked 3×
CBSE Class 10 Science past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.