Muscular system

Name the fuel for muscle contraction

ATP

What activates the sacromere to contract

Calcium ions are released from the sarcoplasmic reticulum

A group of muscle cells stimulated by a single motor neuron is known as a

Motor Unit

A neurotransmitter released by the motor neuron to cause muscle contraction is

acetylcholine

A fasciculus is a subunit of a skeletal muscle surrounded by __.

perimysium

Which type of muscle tissue is involuntary

smooth muscle and cardiac muscle

The site where a somatic motor neuron releases acetylcholine to stiumulate a skeletal muscle fiber is called the

Neuromuscular junction

What type of skeletal muscle fiber would an olympic quality weight lifter specifically can be developing during training, to enhance his or her weight lifting power

Fast glycolytic fibers

As one ages the presence of slow oxidative fibers ___.

increases

General functions of muscle tissue include:

• Production of body movement

• Stabilization of body positions

• Storage and movement of substances through the body

• Heat generation

Which characteristics describe both skeletal and cardial muscle?

Striations

Which term best applies to a muscle that acts to move a bone away from the midline of the body?

abductor