Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Homeostasis means maintaining a internal environment. In humans core body must be maintained around degrees celcius. Blood sugar and levels must also be kept at a constant level. The is an organ which produces hormones to regulate bood sugar. The kidneys are the organs important for water balance. ADH is the name of a hormone secreted by the pituitary gland which helps to control water balance.