Muscular System

What are the functions of muscles system?

• Movement & Stability

• Control of body openings & passages.

• Hormone secretion

• Glycemic control

• Thermogenesis

Ability of muscle to shorten with force.

(property of muscle)

Capacity of a muscle to respond to a stimulus.

(property of muscle)

Muscle can be stretched to its normal resting length & beyond to a limited degree.

(property of muscle)

Ability of muscle to recoil to original resting length after stretched.

(property of muscle)

Phase of Action Potential: inside of cell become more positive.

• depolarization

• repolarizational

Phase of Action Potential: inside of cell become more negative.

• depolarization

• repolarizational

Phase of Action Potential: move toward resting which cell get ready for another action potential.

• depolarization

• repolarizational

Part that make up a sarcomere.

• Actin myofilament

• Myosin myofilament

• Z-disk

What trigger smooth muscle?

• Autonomic nerve fibers & neurotransmitters.

• Chemical

• Temperature

• Stretch

• Autorhythmicity