Science > Biology > Human Anatomy and Physiology > Cardiovascular System > Disorder Associated With RBCs Anaemia (Anemia) Anaemia or Anemia is defined as a decrease in the ability of the blood to carry oxygen due to (1) a decrease in the total number of erythrocytes, each having a normal quantity of hemoglobin, or (2) […]
Science > Biology > Human Anatomy and Physiology > Cardiovascular System > Composition of Blood: Blood Plasma When a human blood sample is prevented from clotting and spun in a test tube (centrifuged), in a machine called a centrifuge, the blood separates into a straw coloured liquid called plasma and a dark brown mass […]
Science > Biology > Human Anatomy and Physiology > Cardiovascular System > The blood, an Overview In the Cardiovascular system, the ‘‘heart’’ (cardi) pumps the blood in a ‘‘little circle’’ (circul), which travels through ‘‘little vessels’’ (vascul). In human, the transportation is done through blood circulatory system and lymphatic system. Thus two fluids move through […]
Science > Biology > Human Anatomy and Physiology > Cardiovascular System > Circulatory System and its Function In living things, many substances such as food, gases, minerals salts, hormones and waste products have to be transported from one part of the body to another. Plants and animals have a system of transporting substances throughout their body. […]