1. Endocrine glands produce hormones which travel around the inside of your body carrying messages to your organs. There are several hormone-making glands and they are all quite different from each other. You can find them in different parts of your body.
2. Exocrine glands produce hormones which have an effect on the surface of the body. For example, the saliva glands make your mouth water, the sweat glands make your skin go sweaty and the tear glands make you cry, or make your eyes water.
Who needs hormones ?
Every hormone has its own special task. Each hormone has to do three dfferent types of hormone jobs :
1. Hormones tell the cells to produce substance. For example, the hormone gastrine tells your stomach to produce juices which break down the food you eat.
2. Hormones can speed up or slow dow your metabolism, which is a complicated word for the chemical reactions that take place in your body.
3. Hormones make cells grow in all parts of our body and become more specialised. The growth hormone, for example, makes sure that all parts of your body grow to the right size.
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