- Life Sciences
a hormone that causes the secretion of gastric juices into the stomach.
water that is found on the surface of the earth, e.g. in rivers, streams, and lakes etc.
the most common and most movable type of joint in the body of a mammal e.g. the elbow.
the process whereby certain substances are removed from a liquid and others retained, due to...
large spongy organs in which gaseous exchange takes place in vertebrates (with the exception of...