Question

pls make it short and I'll make u brainlist​

Answer 1

Answer:

blood through lungs : O2 with haemoglobin (red pigment therefore red colour )

haemoglobin : o2 transported to diff parts of body

respiration : co2 ( during respiration ) with haemoglobin thus co2 transport to lungs for expiration

therefore, haemoglobin called as respiratory carrier