Multiple choice

Red blood cells contain red pigment called _______.

  1. plasma

  2. platelet

  3. hemoglobin

  4. carbon-di-oxide
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Hemoglobin is the red pigment found in red blood cells that gives blood its characteristic red color. It contains iron and binds to oxygen, allowing red blood cells to transport oxygen throughout the body. Plasma is the liquid portion of blood, platelets help with clotting, and carbon dioxide is a waste product transported by blood.

Keep practicing — related questions