organ+of+circulation
41human embryology — ▪ biology Introduction the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The human body, like that of most animals, develops from a single cell produced by the union of… …
42Traditional Chinese medicine — Alternative medical systems Traditional Chinese medicin …
43heart — /hahrt/, n. 1. Anat. a hollow, pumplike organ of blood circulation, composed mainly of rhythmically contractile smooth muscle, located in the chest between the lungs and slightly to the left and consisting of four chambers: a right atrium that… …
44human disease — Introduction an impairment of the normal state of a human being that interrupts or modifies its vital functions. health versus disease Before human disease can be discussed, the meanings of the terms health, physical fitness, illness …
45immune system disorder — Introduction Disorders of the immune systemany of various failures in the body s defense mechanisms against infectious organisms (see table (Disorders of the immune system)). Disorders of immunity include immune deficiency diseases, such… …
46Periodical Literature in the United States — Periodical Literature The United States † Catholic Encyclopedia ► Periodical Literature (The United States) According to The Official Catholic Directory for 1911, there are 321 Catholic periodicals published in the United States. Of… …
47Sunday Mercury (New York) — Sunday Mercury Type Weekly newspaper (1839–1893) Daily (1893–1896) Format broadsheet Founded 1839 …
48Heart — This article is about the organ in various animals. For the human heart, see Human heart. For other uses, see Heart (disambiguation). Cardiac redirects here. For the cardboard computer, see CARDboard Illustrative Aid to Computation …
49excretion — excretion1 /ik skree sheuhn/, n. 1. the act of excreting. 2. the substance excreted, as urine or sweat, or certain plant products. [1595 1605; < LL excretion (s. of excretio) that which is sifted out. See EXCRETE, ION] excretion2 /ik skree… …
50blood disease — Introduction any disease of the blood, involving the red blood cells (erythrocytes (erythrocyte)), white blood cells (leukocytes (leukocyte)), or platelets (platelet) (thrombocytes) or the tissues in which these elements are formed the bone …
