A cat's endocrine system is composed of several different types of glands and organs that produce the hormones of the body. A hormone is a chemical that is secreted by a gland in one area of the body and is carried by the bloodstream to other organs in the body, where it exerts some effect.
In 1672, Newton became a member of the Royal Societyâa group of scientists committed to the experimental method. He presented one of his new telescopes to the Royal Society along with his findings on light. The Royal Society set up a committee led by physicist Robert Hooke to evaluate Newton's findings. Hooke was a scientist employed by the Royal Society to evaluate new inventions. However, Hooke had his own ideas on light and was slow to accept the truth of Newtonâs findings.
Isaac Newton was born on Christmas day in 1642 (using the new calendar, this would be Jan. 4 1643) in Woolsthorpe, a hamlet near Grantham in Lincolnshire. In 1705 he was knigh â¦ ted by Queen Anne, and thus became Sir Isaac Newton. He died in London on March 20, 1727 (or March 31, using the new style of calendar).