The answer is B.
I think its safe to assume we all have had a cup of ice water. The ice always floats at the surface of the water.
Ileostomy is a procedure where the end of the small intestine, called the ileum, is brought out of an opening in the belly through surgery. The opening is called a stoma, and its shiny, bright red in color. It is often done after the large intestine has been removed due to cancer or serious physical injuries. Having a stoma, and the need of emptying it several times a day, is disfiguring so the patient often suffer from poor self image. The patient in the case, may be concerned of being unable to continue romantic relationships due to having a stoma. As a nurse, make sure to first make patient understand that ileostomy surgery does not involve the reproductive organs or the gonads. Then, acknowledge that while having a stoma is disfiguring, many organizations are helping increase awareness and acceptance of those who have the condition. Refer the patient to such local stoma advocacy organizations.
Mitochondria play a critical role in the generation of metabolic energy in eukaryotic cells.
Pulse can be felt in neck, temples and veins.
DNA is a double helix composed of nitrogenous bases, which form hydrogen bonds with each other. It also contains a deoxyribose sugar and phosphate backbone.