Muscles and Muscle Contraction

The third step of muscle contraction is?

• Actin an Myosin slide past eachother

• Calcium ion is released

• Action potential or a stimulus reaches a muscle fiber

___________ are long bundles of axons that transmit signals from the CNS the neuromuscular system allowing involuntary and voluntary muscle movement.

• Sarcomeres

• Nerves

• Dendrites

• Cell body

The term for an involuntary muscle contraction.

• atrophy

• spasm

• tenodesis

• adhesion

I am a muscle attached to a bone. I am a voluntary muscle. I appear striped under the microscope. What kind of muscle am I?

• skeletal

• smooth

• cardiac

• memory

What muscle attaches to the bone and produces movement?

• skeletal muscle

• cardiac muscle

• smooth muscle

• visceral muscle

What muscle makes up the heart?

• involuntary muscle

• smooth muscle

• cardiac muscle

• voluntary muscle

What are the functions of the muscles?

• hold the body erect

• helps generate body heat

• helps blood move through the veins and food through the digestive system

• all are functions of the muscles.

What type of muscle makes of the walls of our internal organs?

• smooth muscles

• voluntary muscle

• striated muscle

• cardiac muscle

__________________ anchors the the muscle to bone

• aponeurosis

• fascia

• tendons

• ligament

How are muscles named ?

• by location

• by fiber direction

• by the number of divisions

• all these are correct