Human body include the heart, lungs and liver. Many organs reside within cavities within the body. These cavities include the abdomen and pleura. The circulatory system comprises the heart and blood vessels (arteries, veins and capillaries). The heart propels the circulation of the blood, which serves as a "transportation system" to transfer oxygen, fuel, nutrients, waste products, immune cells and signalling molecules (i.e., hormones) from one part of the body to another. The blood consists of fluid that carries cells in the circulation, including some that move from tissue to blood vessels and back, as well as the spleen and bone marrow.
Human Tissue Authority the HTA authority over exhumed remains from archaeological sites. The Act governs England, Wales and Northern Ireland. There is separate legislation in Scotland, the Human Tissue (Scotland) Act 2006 and the Authority performs certain tasks on behalf of the Scottish Government (approval of living donation and licensing of establishments storing tissue for human application). The Authority consists of a Chair and eleven Members. Nine members have been appointed by the Secretary of State for Health, one appointed by the Welsh Government, and one member is appointed by the Department of Health, Social Services and Public Safety in Northern Ireland. The