Eventually, the bronchi become known as bronchioles â the smallest air tubes in the lungs. This system of air tubes can be thought of as an upside down tree, with the trachea being the main trunk and the bronchi and bronchioles being the branches. The medical term for all the air tubes is 'the respiratory tract'.
An injury to the vertebrae or discs in your neck can cause pain, numbness, or weakness in your shoulder, arm, wrist, or hand because the nerves that extend out from between the neck provide sensation and allow for movement in these areas.
bulging veins on the hands are usually caused by fat loss ageing and strenuous exercise older women are particularly vulnerable because the menopause causes a drop in their levels of oestrogen the hormone that helps keep the skin plump sarah jessica parker appeared to have numerous bulging veins all over her feet