sympathetic nervous system<span> can accelerate heart rate; widen bronchial passages; decrease motility (movement) of the large intestine; constrict blood vessels; </span>increase<span> peristalsis in the esophagus; cause pupillary dilation, piloerection (goose bumps) and perspiration (sweating); and raise blood pressure </span>
"From 10AM to 4PM are the most dangerous hours for exposure to the sun."
The first two don't make any sense. As for SPF, the FDA minimum is 15 but the recommended minimum is 30. 10AM-4PM are the peak sunlight hours, generally (unless you live in Antarctica of course).
Nitrogen-containing biological compounds found in DNA/RNA/nucleotides/and nucleosides
Digestions finishes in the small intestine. If small intestine is removed from the body, the digestion would be incomplete. All the nutrients from food would not be absorbed into blood. Organism will be in short of energy. hoped this helped