While learning to ride a bicycle, Ravi lost his balance and fell down. He got bruises on his knees and it started bleeding . However bleeding stopped after some time.
Q1. Why did bleeding stop and which type of blood cell is responsible?
Q2. What would be the colour of the wounded area and why?
Answers
Answered by
24
Q1. The bleeding is stopped by a process called clotting.Blood platelets are responsible for this process.
Q2.The colour of the wondered are would be reddish dark and pigmented.This is due to aggregation of red blood cells at the site of the injury.
Answered by
5
a) Bleeding stops due to blood clotting and the platelets are responsible for this.
b) The color would be dark red or brown due to blood clot.
Explanation:
- Platelets are one of the blood components which helps in the clotting of blood at the place of injury.
- So when any type of bruce injuries occurs in the body then platelets helps in blood clotting and make plug which blocks blood flow.
- The wounded area color would become red or brown due to the hemoglobin present in the blood. During the time the color changes which indicates that the injury is healing.
Learn more about blood clotting:
- https://brainly.in/question/3259530
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