Answer:
Endocrine glands make chemicals called hormones and pass them straight into the bloodstream. Hormones can be thought of as chemical messages. From the blood stream, the hormones communicate with the body by heading towards their target cell to bring about a particular change or effect to that cell
Consultant psychological doctor
Cell membrane is like your skin in a way, it holds the cel together and determines what goes in an out
technically, it could provide storage since it stores the contents of the cell, but this would be the vacuoles
acts as a barrier: this wold be the answer
provides energy: this is mitocondria's job
resides within te nucleous: this is the outside, it's like saying that your skin is all inside your brain
best answer would be acts as a barrier
<span>A) Glucose moving down a concentration gradient.</span>
