1. once the action potential reaches the axon terminus, the information needed to be sent through the synapse to the muscle fiber. how is this signal sent.

2. explain the process of contraction of the sarcomere addressing what signals the muscle to contract, how the signal is transmitted into the fiber, and the role of calcium, and ultimately how the contraction occurs

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]

c. establishing proper sleep hygiene