Advertisements
Advertisements
प्रश्न
Explain the following:
Why is there no mixing of deoxygenated and oxygenated blood in the human heart normally?
उत्तर
There is no mixing of deoxygenated and oxygenated blood in the human heart because of double circulation of blood where the blood passes twice through the heart and the right half of the heart is concerned with pumping deoxygenated blood while the left is concerned with pumping of oxygenated blood.
APPEARS IN
संबंधित प्रश्न
Give scientific reasons: Blood flows in arteries in spurts and is under pressure.
The diagrams given below are cross sections of blood vessels:
(i) Identify the blood vessels A, B and C.
(ii) Name the parts labelled 1 to 3.
(iii) Name the type of blood that flows through A.
(iv) Mention one structural difference between A and B.
(v) In which of the above vessels does exchange of gases actually take place?
What are the main steps in coagulation of blood?
Given below is a diagram of a smear of human blood. Study the same and answer the question that follow:
What is the life span of the part labeled "1"?
Describe the functions of the: Platelets
Why does the number of leucocytes increase during infection?
Give Technical Term for the following:
An unstable bright red compound formed between haemoglobin and oxygen to carry the oxygen to the body cells.
Complete the following sentence with appropriate word:
Non-coagulation of blood is called ___________.
Complete the following sentence with appropriate words:
The red blood corpuscles are ________ and _____ shaped cells without ________.
Which of the following is/are TRUE regarding thrombocytes?
