<span>The appendicular skeleton includes the bones of the shoulder girdle, the upper limbs, the pelvic girdle, and the lower limbs.</span>
Hello!! The answer would be A - The SA node. It is known as the "pacemaker" because it initiates the heart's rhythmic contractions. I hope I helped!! Have a great day. :)
Is a substance that speeds up a chemical reaction, but is not consumed by the reaction
Answer:
The answer would be A. Earthworms burrowing in the ground
the flow energy from the continental plates. this is due to the sudden movement and temperature caused by various things like temperature change caused by global warming, human pollution, and internal combustion,
movement caused by quakes, global warming, and human partiucipation
