Muscular System Review2

Front

What two chemicals are necessary for muscle contraction to occur?

Back

Calcium and ATP

Front

What is the name of the protein that covers the binding sites on actin when there is no nerve impulse?

Back

Tropomyosin

Front

Which type of muscles are under conscious control or are considered voluntary?

Back

Skeletal

Front

A bundle of muscle fibers is called __________.

Back

Fascicle

Front

Which of the following muscles is not located on your head? Temporalis, Masseter, Buccinator, Pectineus

Back

Pectineus

Front

List the structures of a muscle from largest to smallest.

Back

fascicle, muscle fiber, myofibril

Front

Key characteristic of Fast Twitch muscle fibers?

Back

They contract rapidly with great force but fatigue fast

Front

Key characteristic of slow twitch muscle fibers?

Back

They contain large amounts of Mitochondria

Front

The situation in which a muscle loses its ability to contract, due to being used strenuously for a long period of time

Back

muscle fatigue

Front

What holds oxygen in muscle cells?

Back

Myoglobin