Muscle Contraction
Most responsible for initiating muscle contraction
What is a motor neuron?
Name the muscle in Figure 1
What is the deltoid?
Name the part of the muscle fiber shown in figure 6
What is the transverse tubule?
This muscle extends the forearm at the elbow
What is the triceps brachii?
Number of skeletal muscles in the human body
What is over 600?
Calcium binds to this protein in the thin fiber.
What is Troponin?
Name the muscle in figure 2
What is the Latissimus doors?
Name the part of the muscle fiber shown in figure 7
What is a thin filament?
This muscle rotates and retracts the scapula
What is the trapezius?
The 3 types of muscle
What are skeletal, smooth, and cardiac?
Myosin binds to this protein during muscle contraction.
What is Actin?
Name the muscle in figure 3
What is the rectus femoris?
Name the part of the muscle fiber shown in figure 8
What is a thick filament?
This group of muscles extend the leg at the knee
What are the quadriceps fermoris groups
This is released by the sarcoplasmic reticulum during muscle contraction
What is calcium?
The neurotransmitter released during muscle contraction
What is acetylcholine?
Name the muscle in figure 4.
What is the buccinator?
Name the part of the muscle fiber shown in figure 9.
What is the sarcoplasmic reticulum?
This muscle elevates the corners of the mouth
What is the zygomaticus?
During strenuous exercise, this builds up in the liver
What is lactic acid?
Calcium is released from this part of the muscle cell.
What is the sarcoplasmic reticulum?
Name the muscle in figure 5
What is the Brachioradialis?
Name the part of the muscle shown in figure 10.
What is the epimysium?
This muscle of the arm only flexes the wrist.
What is parlmaris longus?
Nerve impulses travel down into the fiber through these
What are transverse tubules?