The anwser is a. look it up or sum idek it fr
<span>Messages to the brain travel along the nerves, which are strings of long thin cells called neurons</span>
<span>Answer: Smooth Endoplasmic Reticulum
Hope I helped</span>
Respuesta B.
Explanation:
(((First part of the small intestine))). It connects to the stomach. The duodenum helps to continue digesting food that comes from the stomach. It absorbs nutrients (vitamins, minerals, carbohydrates, fats, proteins) and water from food so that the body can use them.
Temperature, pressure and composition.