Final answer:
Hemoglobin is the protein in red blood cells that carries oxygen throughout the body.
Explanation:
Hemoglobin is the protein found in red blood cells responsible for carrying oxygen throughout the body. It consists of four subunits and heme groups, with iron binding to oxygen. Hemoglobin gives blood its red color and plays a crucial role in oxygen transport for cellular respiration.
Learn more about Hemoglobin here:
https://brainly.com/question/50906654
