The answer is D. all of the above.
Answer:
Open channels allow an influx of sodium ions into the cytoplasm of the muscle fiber. The sodium influx also sends a message within the muscle fiber to trigger the release of stored calcium ions. The calcium ions diffuse into the muscle fiber.
Explanation:
Answer:
45 mg of caffeine in one cup of instant coffee.
*Glomerulus* -The tiny units within the kidney where blood is cleaned. Can also be known as Glomeruli.
Answer:
A mass
Explanation:
I learned it in 8th grade.