This system is made up of a collection of glands. These glands regulate body functions using chemicals. These chemicals are called hormones. They travel through the body, in your blood stream and send messages to various cells within your body. The endocrine system is used for communications within the body - it helps your body regulate body temperature, it also tells your body when you are hungry.
Excretory – The excretory system is very important as it remove waste from your body. If these wastes were not removed it would be very harmful to you. Your kidneys work by filtering harmful molecules from your body while keeping the good ones. Your bladder fills up with the urine that is produced by the kidneys. Urine would then leave your body through the process of urinati
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