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5 votes
Spongy bone has many small, open spaces that make bones _____.

hard
flexible
lightweight
strong

2 Answers

7 votes
The third one is your answer. (Lightweight)
User Diego Borba
by
7.7k points
4 votes
spongy bone has many small, open spaces that make bones :
Lightweight
Spongy bones is really important for producing red blood cells because it is filled with red bone marrow

hope this helps
User MichaelStoddart
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7.6k points