brain
The brain is an organ of the human body in the skull that controls everything in our body: thinking, studying, reading, listening, speaking, walking, working, choosing, etc.
bronchitis
Bronchitis is a disease in which the bronchi tubes —the tubes from which air flows through the lungs— become swollen.
bruise
See haematoma.
burn
A burn is a skin injury caused by the sun, by fire or by touching a very hot object such as a plugged-in iron.
callus
A callus is a part of the body’s skin that has hardened.