The life span of Red Blood Cells is:

A) 120 days
B) 90days
C) 100 days
D) 110 days

🧠 Explanation:

Red blood cells live for about 120 days in our body. Think of them as tiny workers carrying oxygen to keep you active. They’re made in your bones and work hard, but after four months, they get old. Your body replaces them with new ones, like swapping old batteries in a toy. For kids, it’s like getting new energy to play. This process keeps you healthy. Learning about red blood cells shows children how their body works to stay strong, helping them understand why rest and good food are important for energy and fun every day.