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प्रश्न
The chief function of lymph nodes is to
पर्याय
produce WBCs
produce hormones
destroy old RBCs
destroy pathogens
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उत्तर
destroy pathogens
संबंधित प्रश्न
The nearest organ to which the heart supplies oxygenated blood is:
Give reason, why a matured mammalian erythrocyte lacks nucleus and mitochondria?
what is Venule?
Find the odd one out, giving reason.
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.
Complete the following sentence with appropriate word:
The chamber of heart which pumps blood into aorta is __________.
Complete the following sentence with appropriate word:
The membranous covering of the heart is _______.
Spleen is referred to as ______.
A resting person usually has a pulse rate between 72 to 80 beats per minute.
