<span>The actions of sleep and dreaming are influenced by the pons. This portion of the brain is located above the medula, and connects the upper and lower parts of the brain. In addition to driving sleep and dreaming, it also synthesizes signals to control movements on the two sides of the body.</span>
Langerhans' cells are white blood cells in the immune system that normally play an important role in protecting the body against viruses, bacteria and other invaders. They are found in the skin, lymph nodes, spleen, bone marrow and lungs.
The answer would be Diagram A. hope that helped
The earth's tilt. The tilt of the Earth on it's axis is what makes the sun heat up different parts of the Earth at different times, thus making wind, thus making different weather patterns. Depending on how much sun (heat) the area is getting, it changes the weather.