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.

Why do some pregnant women fail to receive adequate prenatal care? a. ethnicity b. language and cultural barriers c poverty d. all of the above

What creates an electric force field that moves electrons through a circuit? a. energy sourceb. loadc. metal wiresd. resistance

Thinking about and listing ones options in the process of decision-making include all of the following except a. identifying possible alternative outcomes b. predicting what friends will think c. determining what is most important d. thinking about what choices could be made