CBSE BOARD X, asked by opmishra2112, 7 months ago

1. What is the Life Span of RBC ?
2. How many ribs are there in a human body ?

Answers

Answered by ashokapa

1

Answer:

About 120 days

12 pairs of ribs

Answered by aayashaghoshi

1

Answer:

life span of rbcs is about 90 to 120 days

2. there are 12 pairs of ribs in human body i.e. 24 ribs

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