You can get it from saliva
Answer:
protein
Explanation:
Proteins are among the most important macromolecules of the cell
Sedentary<span> activities include sitting, reading, watching television, playing video games, and computer use for much of the day with little or no vigorous physical exercise. A </span>sedentary<span> lifestyle can contribute to many preventable causes of death.</span>
One way in determining your fitness level is trying to do a Full Sprint Run and holding your breath for as long as you can. That way you can determine your cardiovascular capacity and lung capacity. On improving your fitness levels you should do swimming, jogging and of course a balanced diet.
Steroid hormones are nonpolar and cross the cells plasma membrane , binding to receptors inside the cell. ... It allows for the movement of ions across the plasma membrane
