Bonus Each of the following muscles acts to flex the leg, EXCEPT:

Bonus When climbing stairs, which muscle or muscle group flexes your knee?

ATP metabolism normally provides ________ percent of the ATP demands of a resting cell.

The movement of a body part downward is called

The membranous network that surrounds each myofibril is the

Which foot movement enables the ballerina to stand on her toes?

When pyruvic acid is produced by anaerobic metabolism faster than it can be utilized, the surplus is converted to

Bonus Which one of the following muscles is involved in abduction of the arm at the shoulder joint:

The end of a muscle that remains stationary when the muscle contracts is called the

Z lines