3-15-23 SI Session

_ fuse during development to form myotubes. (Hint: 1 word)

_ is used as chemical energy to produce mechanical energy (muscle contraction).

What embryonic layer gives rise to muscle?

Light cannot pass through the _ band

A _ is a mature muscle cell

True or False: Smooth and cardiac muscle are striated.

_ filaments are present in the I band

Smallest functional unit of a muscle. Also where shortening occurs. (Hint: 1 word)

What is the name of the synapse of a motor neuron with a myofiber? (Hint: 2 word name)

Which of the following is an example of a smooth muscle? Select all that apply.

• bicep

• arrector pilli

• myocardium

• ciliary