Answer:
many people ASSUME that E-cigarettes are safer than regular smoking because of the way they are advertised.
Explanation:
Both presbycusis and tinnitus deal with hearing. Presbycusis is a loss of hearing, which usually occurs as an individual gets older. Tinnitus is a symptom of presbycusis in which an individual may hear ringing, roaring or hissing sounds in one or both ears.
Answer:
When you are exercising, your muscles need extra oxygen some three times as much as resting muscles.
This need means that your heart starts pumping faster, which makes for a quicker pulse. Meanwhile, your lungs are also taking in more air, hence the harder breathing
Answer: option D is correct.
Explanation:
Fitness in an individual is also called Darwinian fitness. Note that fitness in individual should not be confused with physical fitness which deal with the physical training for staying healthy. The individual fitness is related to the propagation of gene which in turn increase population.
Option A in the question is about physical fitness, so it is not correct, obviously, B and C Options are not correct too. Fitness here, is the genetic definition which defines fitness as the capacity of a genotype to be propagated into the offsprings.
