Question

Human blood is red coloured ? give reason.​

Answer 1

Answer:

Human blood is red because hemoglobin, which is carried in the blood and functions to transport oxygen, is iron-rich and red in color. Octopuses and horseshoe crabs have blue blood. This is because the protein transporting oxygen in their blood, hemocyanin, is actually blue.

Answer 2

Answer:

Human blood is red because hemoglobin which is carried in the blood of the function to transport oxygen is iron- rich and red in clour.