4 results for “ear”

1. The Human Body

   The Senses

   ear funnels it down a canal to the eardrum, which vibrates, and three tiny bones, the smallest

   Article · 4 min read

   

2. The Human Body

   The Heart and Blood

   A fist-sized pump pushes five litres of blood around 100,000 kilometres of vessels every

   Article · 4 min read

   

3. The Human Body

   Muscles

   ear. They are the only muscles under conscious command. Smooth muscle lines the walls of hollow

   Article · 4 min read

   

4. The Human Body

   The Skeleton and Bones

   ear, about three millimetres long, one of three tiny bones that carry sound from the eardrum

   Article · 5 min read