The correct terms to fill in the blanks would be contracts and dilates. In stressful situations, the sympathetic nervous system contracts the arteries of the circulatory system resulting to the dilation of the pupils of the eyes. Also, during these situations, the blood sugar levels are raised since the hormones for stress kick in to combat the stress which in turn raises the blood sugar.
The shortened form of the unit that Kevin's bag was weighed in would be Lbs.
True if u know that humans are
It is because it's surface area is responsible for the production of ATP molecules.
You have transcription in which DNA is transcribed into mRNA , then there is Translation in which mRNA is translated into proteins, in other words mRNA translated into amino acids that are going to be bonded together to become a protein