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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
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Solution
chest pain due to inadequate supply of oxygen to the heart muscle
RELATED QUESTIONS
The diagram below represents the human heart in one phase of its function. Study the diagram carefully and answer the questions that follow:

(i) Name the phase.
(ii) Which part of the heart is contracting in this phase? Give a reason to support your answer.
(iii) Name the parts labelled 1 to 4.
(iv) What type of blood flows through ‘2’?
(v) State the function of the part numbered ‘5’.
(vi) Name the membrane that covers the heart.
When a doctor is recording your pulse, he is pressing on your wrist exactly on a
MULTIPLE CHOICE TYPE:
(Select the most appropriate option)
The valve present between the right atrium and the right ventricle is the
(a) tricuspid valve
(b) bicuspid valve
(c) semi-lunar valve
(d) mitral valve
Given below is a certain structure, write its chief functional activity.
Lymphocytes - ______.
You can see some blood vessels on the outside of the hands specially in older people. Are those veins or arteries? How can you confirm your answer?
Name the Following
Oxygen is transported by the blood in the form of
______ WBCs are present per mm3 of blood.
Which component of the haemoglobin molecule combines with the oxygen molecule to form oxyhaemoglobin?
What are the normal values of blood pressure in a normal human adult?
