The best answer would be B
Because when exercising your heart pumps more blood to your body and
it has more space to fill so it beats faster
The primary function of red blood cells is to carry oxygen from the lungs to the body tissues and carbon dioxide away from the tissues and back to the lungs.
Accretionary wedge is formed when sediments accreted to the non subducting tectonic plate at a convergent plate boundary. Materials in the accretionary wedge are usually marine sediments that are scrapped off from the down going slabs of oceanic crust. Elevated regions within the ocean basin are transported towards the subduction zones and accreted to the continental margin.