Difference between endocrine and exocrine glands?

An endocrine gland secretes its products, for example hormones, directly into the blood. ... An exocrine gland secretes its products for example enzymes, into ducts that lead to the target tissue. For example the salivary gland secretes saliva into the collecting duct which leads to the mouth.

if you look up in the top right corner you'll see your current profile picture, click than click "view profile" you'll be able to change it there.

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.