NEET PG DENTAL EXAM

Detailed explanation-1: -The airways are pipes that carry oxygen-rich air to the alveoli in your lungs. They also carry the waste gas carbon dioxide out of your lungs. The airways include these body parts: Mouth.

Detailed explanation-2: -One of the waste products produced by cells is another gas called carbon dioxide. The respiratory system takes up oxygen from the air we breathe and expels the unwanted carbon dioxide.

Detailed explanation-3: -The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.

Detailed explanation-4: -Your circulatory system, also called the cardiovascular system or vascular system, transports oxygen, nutrients and hormones to your body’s cells to use for energy, growth and repair. Your circulatory system also removes carbon dioxide and other wastes your cells do not need.