Advertisements
Advertisements
Question
Angina pectoris is due to
Options
defective nutrition
chest pain due to inadequate supply of oxygen to the heart muscle
defective functioning of mitral valve
infection by a virus
Solution
chest pain due to inadequate supply of oxygen to the heart muscle
APPEARS IN
RELATED QUESTIONS
What is meant by human circulatory system? Name the organs of the circulatory system in humans.
Give reason for the following:
The blood groups of both the donor and recipient must be known before transfusing blood.
What is haemoglobin? State the consequences of deficiency of haemoglobin in our bodies.
Cardiac muscles are ______.
Differentiate between:
Red blood cells and White blood cells
Given below is a schematic representation of the circulatory system in man. Study the same and answer the questions that follow:
(i) Label the parts 1 to 4 indicated in the diagram.
(ii) Give one difference between parts 1 and 2 based on:
(a) their structure
(b) the nature of blood flowing through them.
(iii) What is the specific name of the type of blood circulation that takes place between the heart and the lungs?
(iv) Name the valve found at the beginning of the part labeled 3.
State the Location: Bicuspid value
Identify the function of the erythropoietin hormone produced by kidney cells.
Identify the normal haemoglobin count in human females.
Mention the phase of heart beat in which both the atrio-ventricular valves are closed.