The greenhouse effect is a natural process that warms the Earth's surface. When the Sun’s energy reaches the Earth, some of it is reflected back to space, and the rest is absorbed by the land, oceans, and atmosphere....

Its the summary of muscle of the arm that will make it easy to understand and help you learn and memorize easily in exams.

This is a presentation prepared by me on the chapter "chemical coordination" in biology. It is a quick breakdown of each gland and their respective hormones as well as disorders and treatments.