Here’s a sample of Trish’s test:
“The process of excitation is the process that must happen for a skeletal muscle to do its job of contracting. This is also known as the latent phase of a twitch. Skeletal muscle fibers contract only under the control of the nervous system. The communication happens at a specialized intercellular connection known as the neuromuscular junction, or myoneural junction.”
Except that she writes about this big:
A skeletal muscle fiber is controlled by a neuron at a single junction midway along the fiber’s length. A single axon branches within the perimysium to form a number of fine branches. Each branch ends at a synaptic terminal. The cytoplasm of the synactic terminal contains mitachondria and vesicles filled with molecules of actylcholine (ACh), a neurotransmitter, which is a chemical released by a neuron to change the permeability or other properties of a cell membrane. The release of ACh from the synaptic terminal alters the permeability of the sarcdema. ACh enters the synaptic cleft and binds to membrane receptors on the motor and plate. The motor and plate has creases called junctional folds, which increase the surface area and number of ACh receptors. The synaptic cleft and sarcolemma contain acetylcholinisterase (Ache) an enzyme that breaks down ACh. The binding of ACh changes the permeability of the motor and plate to sodium ions.
It reminds Jusby of the band Science Groove.
And in the since posting lyrics is a quick way to fill space, he gives you their song “29 Reasons”~~~
written by Willie Dixon; scientific lyrics by Greg Crowther
Greg: lead vocals, keyboard
Lori DeGloria: backing vocals
Adam Ludwig: backing vocals
Do: backing vocals, acoustic guitar, drum programming
Kirk L. Van Scoyoc: backing vocals
I got 29 reasons why muscles are not a bore.
I got 29 reasons why muscles are not a bore.
When applying for grants,
I can find about two or three more.
If you check out a standard lass,
Muscles are a third of her body mass.
I got 29 reasons why muscles are not a bore.
When applying for grants,
I can find about two or three more.
From cooking your food to sweeping the floor,
Muscles do a really wide range of chores.
You could be out shopping or starting to groove,
But muscles are behind your every move.
I got 29 reasons why muscles are not a bore.
When applying for grants,
I can find about two or three more.
When a muscle is used at a sporting event,
Its fluxes rise 5000 percent!
And if you’re getting fit or you have a disease,
Muscle adaptation can be quantified with ease.
I got 29 reasons why muscles are not a bore.
When applying for grants,
I can find about two or three more.
