the stomach lining is made up of deep muscular grooves. How do you think these structures help the stomach to break down food?

By using chemical substances to break down your food. This will ultimately make you nit have stomach problems or bad digestion.

Explanation:

stress fractures occur largely in the feet and legs and are common in sports that require repetitive impact, primarily running/jumping sports such as gymnastics or track and field.

hi there!

answer: b. nucleolus

explanation: nucleolus is a structure in the nucleus are ribosomes are made.

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-charlie

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