35 POINTS
WORTH OF ANATOMY QUESTIONS ON MUSCLES!!!!!!!!!!!!!!!!!!!!!!



Cardiac Muscle

Where is cardiac muscle found exclusively?
Tell 3 similarities between cardiac muscle and skeletal muscle.
List 3 differences between cardiac muscle and skeletal muscle.
Why do you think cardiac muscle cells have so many mitochondria?
What structure connects cardiac cells together?
Why do the cardiac cells need to be connected?

(Interactive Link does not work)

What is the purpose of a gap junction?
What is electric coupling?
What is the function of a desmosome?
What is the function of a pacemaker?
Explain what autorhythmicity is.
Which mineral is involved in cardiac muscle contractions?


Smooth Muscle

Why are smooth muscles called “smooth”?
Tell 3 places smooth muscle is located.

Interactive Link Not Working

What shape are smooth muscle cells?
Are smooth muscle cells uninucleate or multinucleate?
Are smooth muscles bigger or smaller that skeletal muscles?
Which structure acts like Z-lines in a smooth muscle cell?
What protein acts like the tropomyosin complex in smooth muscle cells?
What mineral is used in smooth muscles?
Explain how a smooth muscle makes a contraction.
Skeletal muscles are voluntary. Cardiac muscles are involuntary. What are smooth muscles?