In connection with the circulatory system,whe | vedclass

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Question

(A) Valves are specialized structures that ensure the unidirectional flow of blood and lymph. In the circulatory system,valves are found in the hearts

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Not only in the heart and blood vessels of vertebrates and invertebrates,but in vertebrate lymphatics as well

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(A) Valves are specialized structures that ensure the unidirectional flow of blood and lymph. In the circulatory system,valves are found in the hearts of both vertebrates and invertebrates to prevent backflow during contraction. Furthermore,they are present in the blood vessels (specifically veins) of many animals to assist in venous return against gravity. Additionally,valves are present in the lymphatic vessels of vertebrates to maintain the unidirectional flow of lymph towards the venous system. Therefore,option $A$ is the most comprehensive and accurate description.

Column $- I$	Column $- II$
$a$. Bicuspid valve	$p$. Brain
$b$. Nephron	$q$. Liver
$c$. Alveoli	$r$. Heart
$d$. Cerebrum	$s$. Kidney
	$t$. Lungs

In connection with the circulatory system,where are valves present?

Similar Questions

Match the following columns:
Column $- I$ Column $- II$
$a$. Bicuspid valve $p$. Brain
$b$. Nephron $q$. Liver
$c$. Alveoli $r$. Heart
$d$. Cerebrum $s$. Kidney
$t$. Lungs

Alkalaemia is defined as:

Hypokalaemia means

Which one of the following is a matching pair of a certain body feature and its value/count in a normal human adult?

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