Your muscles. Some muscles are “voluntary.” They
are the ones you control, the ones that let you exercise—or
relax. Some muscles are “involuntary.” They just do their
job with no effort on your part—like your heart muscles.
Answer:
True
Explanation:
The five major minerals in the human body are calcium, phosphorus, potassium, sodium, and magnesium. All of the remaining elements in a human body are called "trace elements".
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.
