B. actin filaments they’re linear polymers of globular actin subunits and are part of the contractile apparatus, in muscle and non-muscle cells
Answer:
The respiratory centers that control your rate of breathing are in the brainstem or medulla. The nerve cells that live within these centers automatically send signals to the diaphragm and intercostal muscles to contract and relax at regular intervals.
A significant amount of pressure is removed from the rock
the state of having the same or similar relation, relative position, or structure
