Human body Human body The human body is the structure of a human being. It is composed of many different types of cells that together create tissues and subsequently organ systems. They ensure homeostasis and the viability of the human body. It comprises a head, neck, trunk (which includes the thorax and abdomen), arms and hands, legs and feet. The study of the human body involves anatomy, physiology, histology and embryology. The body varies anatomically in known ways. Physiology focuses on the systems and organs of the human body and their functions. Many systems and mechanisms interact in order to maintain homeostasis,
The Bones The Bones The Bones (), at high, is the seventh-highest peak in Ireland on the Arderin list, or the eighth-highest according to the Vandeleur-Lynam list. It is part of the MacGillycuddy's Reeks in County Kerry, and is a small sharp peak on the dramatic "Beenkeragh Ridge", and is sometimes mistaken with "The Bone", the north-east spur of Maolán Buí, which descends into the "Hag's Glen". The Bones is the highest point on a narrow rocky arête called the "Beenkeragh Ridge", situated between Carrauntoohil (Ireland's highest peak), and Beenkeragh (Ireland's second-highest peak), in the MacGillycuddy's Reeks range in County Kerry. The