10 questions
What is Acetilcholine
A hormone
C6 H12 06
A neurotransmitter
A signaling receptor for the chemical compounds
The nervous impulse travels through
The blood
The wires
The axon
The special silken net
Calcium ions are released
When the muscle receives an impact
When norepinephrine is released
When cholinesterase is released
When acetylcholine is released
What is labeled 3?
Z band
H zone
Actin
Myosin
What is labeled 4?
Myosin
Actin
Thin filament
L line
When the muscle contracts...
A band enlarges
A band shortens
I band shortens
It may depend
Nervous signals come from
The brain
The pancreas
The spinal cord
The inner ear
What is a motor end plate?
A modified area of the muscle fibre membrane at which a synapse occurs.
The structure of the muscle with stacks of sarcomeres
The functional unit of the muscle fiber
The axon which is surrounded by myelin sheaths
Draw a scheme of the Sliding Filament Theory
Explain the sequence of muscle stimulation and contraction