The _1__ is a specialized smooth ER only found in muscle cells. It is really important because it has structures called _2___ that bring the action potential, or the electrical
impulse, deep into the cell and releases the ion 3___.

1- sarcoplasmic reticulum

Explanation:

2- electrical current

3-calcium

if you think your dog may have been exposed to a toxin, the best thing to do is to check the label of the item you think your pet ingested. read the information about toxicity. often, but not always, the information on packaging regarding children is relevant to dogs and some manufacturers even discuss dog toxicity. if there is an 800 number on the package – call them! it’s also recommended that you call your veterinarian to confirm the recommendations. if you go to your veterinarian, take all packaging and any information you have on the product.

the hyperactive and edgy feeling that comes when there is too much sugar in the blood stream. the actual amount of food that is eaten in a single meal. food with a high glycemic index is digested slowly.

true.