Question

What parts of muscle contraction are missing from the model? Describe why these parts are important to the muscle

contraction process.

Answer 1

The model doesn’t clearly show the neuromuscular junction. This aspect is a crucial part of the process because the nerve impulse triggers calcium channels to open, which stimulates the process of muscle contraction.

Hope this helps!

Step-by-step explanation:

Sample answer

Answer 2

The model only shows the sensory pathway of the reflex arc and does not show the motor pathway. The neuron loop / circuit is incomplete and therefore it does not show how Zoe would react to the nail in her leg

Step-by-step explanation: