The lungs are made of elastic tissue filled with interlacing networks of tubes and sacs carrying air, and with blood vessels carrying blood. The bronchi, which bring air to the lungs, branch out within the lungs into many smaller tubes, the bronchioles, which culminate in clusters of tiny air sacs called alveoli, whose total runs into millions.Are lungs an organism?
A lung is not a living organism. A lung is an organ, which makes up an organism. It is only living provided an animal is using it to breathe.Are lungs a noun?
Noun lung (plural lungs) (anatomy) A biological organ of vertebrates that controls breathing and oxygenates the blood. quotations ▼ (in the plural) Capacity for exercise or exertion; breath.