Advertisements
Advertisements
प्रश्न
The valve which prevents back flow of blood in the veins and lymph vessels ______.
विकल्प
mitral valve
tricuspid valve
semilunar valve
Advertisements
उत्तर
The valve which prevents the back flow of blood in the veins and lymph vessels is semilunar valve.
संबंधित प्रश्न
With which human organ system (or human systems) is the vena cava associated?
Describe, in brief, the circulatory system in human beings.
Is it true that your heart beats more than one lac times per day?
Given diagram shows a simple diagram of the circulation of blood in a mamma showing the
main blood vessels, the heart, lungs and body tissues. The blood vessel, labelled 6, contains
deoxygenated blood and the valve leading to it has three semi-lunar pockets.
(a) Name the blood vessels and organs marked by numbers 1 to 8.
(b) What is meant by the term ‘double circulation’ of blood in mammals?
(c) what is diastole?
[There is an “error” in the diagram. According to the usual practice the pulmonary (lung)
circulation is shown upward and the systemic downward, but here it is reversed].
Find out my partner.
| Group ‘A’ | Group ‘B’ |
| 1. Heart beats | a. 350 ml |
| 2. RBC | b. 7.4 |
| 3. WBC | c. 37°C |
| 4. Blood donation | d. 72 |
| 5. Normal body temperature | e. 50-60 lakh/mm3 |
| 6. pH of oxygenated blood | f. 5000-6000 per mm3 |
pH of oxygenated blood is ______.
Why is circulatory system also known as transport system?
Which of the following is TRUE regarding closed circulatory system?
Which of the following is the main site of erythropoiesis in adults?
Name the following:
Contraction phase of heart.
