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Illustrated Encyclopedia of Science and Nature: Life Sciences #26, The Human Body II
ÔùÖ Digestion ÔùÅ Where does saliva come from? ÔùÅ Why doesn't food enter the windpipe? ÔùÅ Why doesn't the stomach digest itself? ÔùÅ What does the pancreas do? ÔùÅ What does the liver do? ÔùÅ What does the small intestine do? ÔùÅ What is the large intestine's job? ÔùÅ How does digestion work? ÔùÅ What do the kidneys do?rnrnÔùÖ The Nervous System ÔùÅ How does skin feel pain and heat? ÔùÅ How do sensations reach the brain? ÔùÅ What is a reflex action? ÔùÅ Why does the brain have ridges? ÔùÅ Why do humans need two eyes? ÔùÅ How do eyes adapt to darkness? ÔùÅ What causes vision defects? ÔùÅ How does the ear identify sounds? ÔùÅ Why does spinning cause dizziness? ÔùÅ How are odours detected? ÔùÅ How does the tongue taste food? ÔùÅ What does each half of the brain do? ÔùÅ Why do people sleep at night? ÔùÅ When do dreams occur?rnrnÔùÖ Disease and Immunity ÔùÅ How does the immune system work? ÔùÅ What is the lymphatic system? ÔùÅ Why do people catch measles only once? ÔùÅ What causes hay fever? ÔùÅ What is AIDS? ÔùÅ What is cancer? ÔùÅ What the common cold? ÔùÅ What is diabetes? ÔùÅ What causes a heart attack
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