1001 Space Earth Nature History Human World Prehistoric People Human Body: Systems Human Body: Organs Religions and Festivals Architecture and Buildings Sports and Pastimes Russia and the Middle East Asia Africa Europe North America South America Australasia Polar Regions Science and Technology

Choose a Page:Why do we need kidneys?What are the senses?What is an organ?What does the heart do?How do we breathe?How often does the heart beat?How do our eyes work?What does the liver do?What are the main parts of the brain?How do we taste and smell?What are alveoli?*Where is the voice box?*What happens inside the ear? Where is the voice box? Our voice box, or larynx, is in the lower part of the throat. Here soft folds, called vocal cords, open and close. As air is forced through the gap between the cords it makes them vibrate. This makes the sounds of our voice.   Previous: Back Book: 1001 Section: Human World Chapter: Human Body: Organs