Blood: The fluid consisting of plasma, blood cells, and platelets that is circulated by the heart, carry oxygen and nutrients to and waste materials away from all body tissues.
Blood vessels: A vessel, such as an artery, a vein, or a capillary, through which the blood circulates.
Capillary: One of the minute blood vessels that connect arterioles and venules.
Artery: The tubular thick-walled muscular vessels that carry oxygenated blood from the heart to various parts of the body.
Dialysis: A medical procedure in which this technique is used to remove metabolic waste products or toxic substances from the blood (Dialysis is required for individuals with severe kidney failure).
Heart beat: A single complete pulsation of the heart is called heart beat.
Excretion: The process of removal of wastes produced in the cells of the living organisms is called excretion.
Excretory system: A biological system that removes excess, unnecessary or dangerous materials from an organism, so as to prevent damage to the body of an organism.
Kidneys: A pair of bean-shaped organs in the back part of the abdominal cavity that form and excrete urine.
Platelet: A small colorless disk-shaped cell fragment found in large numbers in blood and aids in clotting.
Vein: A blood vessel that carries blood, low in oxygen content from different parts of the body back to the heart.
Translocation: Process by which plants transport prepared food to all parts of the body is called translocation.
Root hairs: A large number of microscopic outgrowths from the outer layer of cells in a root are called root hairs.
Pulse rate: The number of beats per minute is called the pulse rate.
Red blood cell: A mature blood cell that contains hemoglobin to carry oxygen to different tissues of the body.
Stethoscope: A medical instrument for listening to the action of person's heart or breathing.
Sweat: The salty fluid, consisting largely of water, excreted by the sweat glands in the skin.
Tissue: A group of cells that perform specialized function in an organism is called tissue.
Ureter: One of the two tubes that carry urine from the kidneys to the urinary bladder.
Urethra: The tube that leads from the bladder and transports and discharges urine outside the body.
Urinary bladder: A hollow muscular organ that collects urine excreted by the kidneys.
White blood cell: A colourless blood cell that engulfs and digests harmful pathogens.
Plasma: Straw coloured fluid that consists of suspended blood cells is called plasma.
Haemoglobin: Red pigment of the blood is known as haemoglobin.
Ventricle: Chamber of the heart with thick walls, and pumps blood away from the heart is called ventricle.
Auricle: Chamber of the heart with thinner walls, and pumps blood within the heart is called auricle.
Xylem: A tissue in plants that takes water and minerals up the stem is called xylem.
Phloem: A tissue that carries prepared food to all parts of the plant body is called phloem.
Pulmonary artery: Artery that takes deoxygenated blood to the lungs from the heart is called the pulmonary artery.
