Answer: B. cold heavy cream
Explanation: I'm a Penn Foster student to and these tests are ridiculous so and i took the test already and b is correct.
For me, it's stress.
Hope this helps.
<span><span>Organ/FunctionAgeing Symptoms</span><span>Liver (70)The ageing process does not affect adversely the liver.</span><span>Lungs (20)Lose elasticity and capacity (40% between ages 20 and 80), increasing difficulty to oxygenate blood.</span></span>