Hypertension (high blood pressure) is when the pressure in your blood vessels is too high (140/90 mmHg or higher). This damages your arteries over time and can lead to serious complications like heart attack and stroke. It is common but can be serious if not treated.

Materials management uses inventories and production requirements for planning and control to ensure materials are available as required to meet production schedules. This material planning includes managing logistics, stock levels, materials quality, cost and more.

The muscular system is composed of specialized cells called muscle fibers.