asked 93.2k views
5 votes
Red blood cells are produced by _____.

bone marrow
joints
ligaments
the skin

2 Answers

3 votes

Answer:

A. Bone Marrow

Step-by-step explanation:

Have A Nice Day!

answered
User Bryan Chen
by
8.5k points
6 votes
That's bone marrow. Hoped I helped. 
answered
User Huczilla
by
8.5k points
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