1-What is the role of dystrophin in muscle contraction? 2-wha is some reasons that muscle change in size? (Use terms: hypertrophy, atrophy, and dystrophy)
3- using what you learn about muscle work, explain what you think is happening to the muscles of someone with duchenne muscular dystrophy.

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u.s. and mexico. the st. lawrence seaway provides an important trading route for the u.s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

What organ is the first to receive nutrients that have been absorbed from the digestive tract?

Which term most precisely describes the cellular process of breaking down large molecules into smaller ones? a) catalysis b) metabolism c) anabolism d) dehydration e) catabolism