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प्रश्न
Angina pectoris is due to
पर्याय
defective nutrition
chest pain due to inadequate supply of oxygen to the heart muscle
defective functioning of mitral valve
infection by a virus
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उत्तर
chest pain due to inadequate supply of oxygen to the heart muscle
संबंधित प्रश्न
Given below is a certain structure, write its chief functional activity.
Lymphocytes - ______.
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].
Match the items given in Column A with the most appropriate ones in Column B and REWRITE the correct matching pairs :
Column A Column B
(i) Cranial nerves Testosterone
(ii) Leydig cells Natural reflex
(iii) Acetylcholine 12 pairs
(iv) Spinal nerves Prolactin
(v) Sneezing Neurotransmitter
- 18 pairs
- 31 pairs
- Conditioned reflex
Cardiac muscles are ______.
pH of oxygenated blood is ______.
Define the Circulatory system.
Choose the correct alternative.
What is the minimum number of the plasma membrane that oxygen has to diffuse across to pass from air in the alveolus to haemoglobin inside a RBC?
Explain the main parts of the circulatory system.
Which of the following is the main site of erythropoiesis in adults?
