Question
Biology Question on Blood
The largest RBC's have been seen in
A
Amphibians
B
Man
C
Elephant
D
Whale
Answer
Amphibians
Explanation
Solution
The correct answer is A:Amphibians
Amphibians, such as certain species of frogs, have some of the largest red blood cells (RBCs) among vertebrates. This adaptation is thought to be related to their unique physiological requirements, including the ability to absorb oxygen through their skin in addition to their lungs. The larger RBCs provide a larger surface area for gas exchange through the skin, aiding in oxygen uptake. This feature sets them apart from mammals like elephants, which have smaller RBCs, and frogs, which also have larger RBCs but fall under the category of amphibians.