The answer is B. A satellite is any object that revolves around another object, whether that be a natural satellite like an asteroid or a man-made object like a radio satellite.
Answer:
in the wall of the right atrium of the heart.
Explanation:
The sinoatrial node (SA), consisting of spindle-shaped cells, initiates the electrical activity of the heart. From its location in the right atrium in proximity to the superior vena cava, the electrical activity spreads to the atria, whose cells are larger than those of the SA.
Rivers, because rivers have currents that streamlined bodies are built for
The answer would be none of the above as nails, follicles, and glands are known as appendages