Richard's doctor says that he has become obese. what health risks is richard now facing?

early signs of cardiovascular disease and sleep apnea
unease getting around and breathing difficulties
insulin resistance and low blood pressure
bone thickening and respiratory problems

Pulmonary arteries carry highly oxygenated blood. true or false?

When the solution concentration on the outside of a cell is greater than thesolution concentrate on the inside of the cell, what type of solution is the cellwithin?

There are few cells in the body that do not undergo mitosis: most somatic cells divide regularly, some more than others. take for example the cells that line the digestive tract. these cells must be frequently replaced because they are constantly eroded by the movement of food through the tract. what mechanism(s) is/are in place to ensure that these cells are exact copies of the mother cell