No Bones About It Science Olympiad Practice Test -

Serving as levers that muscles pull against to create motion.

Compact bone is the dense, hard outer layer. Spongy bone is the porous, lightweight inner layer containing marrow. No Bones About It Practice Test No Bones About It Science Olympiad Practice Test

Multiple-choice answers:

What’s the one bone that always trips you up on the answer key? For me, it’s the carpals. 👇 Serving as levers that muscles pull against to create motion

Most students study the skull and long bones but forget: No Bones About It Science Olympiad Practice Test