The steps involved in skeletal muscle contraction are listed here. which sentence should replace the question mark? 1. thick filaments grab thin filaments. 2. ? 3. the sarcomere shortens.

your blood pressure goes down.

cheetos? that's the answer? ?

well, it depends. it is natural to not fall asleep before 11: 00 p.m. teens need about 8-10 hours of sleep each night to function best.

enjoy your day!

answer 2 is the right one. jim should measure his snack to make sure he is using the right serving size.