Static stretching refers to stretching which encourages you to slowly stretch your body to the farthest point without pain (but it can also hurt a bit, it just has to stay under the limit of discomfort) and you have to keep it in that position for some time. For that reason, I'd say that the correct answer is D.
A normal heart beat for adults is 60 to 100
According to the studies its true
Answer:
Mechanical digestion involves physically breaking down food substances into smaller particles to more efficiently undergo chemical digestion. The role of chemical digestion is to further degrade the molecular structure of the ingested compounds by digestive enzymes into a form that is absorbable into the bloodstream.
Not sure if you have any choices to give us, but I'm going to say:
Flexing or Flexion. :)