Answer:
A
Explanation:
insulin is released from pancreas when blood sugar level rises
Smooth ER (Smooth endoplasmic reticulum) is a structure (cell organelle) which is primarily associated with the synthesis of proteins, lipids, phospholipids and steroids.
<span>Maintaining a patent airway</span>
Robert Hooke built his own compound microscope to examine tree bark.
Where are your scratch tests? The question cannot be answered without having them to look at.