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 March 2018 by Nicola Blackwood. Its objectives are to: It also acts as the UK competent authority under the EU Tissue and Cells Directives. The Human Tissue Act 2004 repeals and replaces the Human Tissue Act 1961, the Anatomy Act 1984 and the Human Organ Transplants Act 1989 as they relate to England and Wales, and the corresponding Orders in Northern Ireland. The ULTRA (UK agency) and the post of HM Inspector of Anatomy were abolished and their functions transferred to the Authority. The Act makes "consent" the fundamental principle underpinning the lawful storage and use of body parts, organs