This topic contains a solution. Click here to go to the answer
 

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

For a complete list of videos, visit our video library