The regular movement or sound that the heart makes as it sends blood around your body.
• Neural Network
A computer system or a type of computer program that is designed to copy the way in which the human brain operates.
The distance down either from the top of something to the bottom, or to a distance below the top surface of something.
A very large sea mammal that breathes air through a hole at the top of its head.
A mammal with four legs and short brown fur that swims well and eats fish.
The cloth artists paint on.
Source: BBC News