In a neuromuscular junction, action potentials cause Ca2+ channels in the presynaptic terminal to open.

The ___________ contains vesicles filled with acetylcholine.

The detachment of the myosin cross-bridges is directly triggered by

During muscle relaxation, calcium ions are transported into the sarcoplasmic reticulum.

sarcomeres are defined by ________ at each end

Which of the following is synonymous with "Muscle Cell?"

"A single motor neuron, it's associated motor end plates, and all the fibers it innervates" is the definition of what?

What is the key neurotransmitter that allows the action potential to transfer to the sacrolemma?

What structure carries the action potential deep into the muscle tissue?

How does Ca²⁺ binding to troponin C affectg muscle contraction?

Check all the true statements about synovial joints...

The articular capsule has two layers. The inner layer is the ______ and the outer layer is the ______?

All three joints in the figure are classified as __________.

Arthritis that attacks the joints via immune system

At what area of the sarcomere do actin and myosin overlap?

Muscle contraction requires both calcium and __________

This state occurs if impulses arrive so fast the muscle cannot relax at all and one prolonged contraction occurs.

This is defined as the minimum voltage required to produce a muscle contraction:

The end of a muscle that attaches to the more stationary bone is the: