Welcome to your OCR A2 Biology 3 What is the main structural and functional unit of the kidney? Collecting duct Cortex Nephron Renal arteryWhich of the following is not found in a nephron? Distal convoluted tubule Renal papilla Descending limb of loop of Henley Bowman's capsule________ and the ________ is collectively known as malpighian body. Bowman's capsule, proximal convoluted tubule Bowman's capsule, glomerulus Glomerulus, afferent arteriole Glomerulus, collecting ductA network of arterial capillaries in the Bowman's capsule. Juxtaglomerular apparatus Vasarecta Loop of Henley GlomerulusWhich of the following is incorrect regarding the kidneys? Kidneys are bean shaped. Left kidney is situated slightly lower than the right kidney. Each kidney may consist of 8-18 renal pyramids. Each kidney is covered with a white fibrous tissue.What is the first stage of urine formation? Tubular secretion Tubular selective reabsorption Glomerular ultra filteration Tubular secretion and tubular selective reabsorptionWhich type of cells secrete glucagon? Adipose cells Beta cells Magakaryocyte Alpha cellsWhy is adrenaline secreted when the environmenatl temperature is low? To increase the blood flow throughout the body. To increase the rate of heat production in the liver. To decrease the rate of heat production in the liver. To decrease the production of sweat.Select the incorrect statement regarding lymphatic system. Lymphatics are tiny, blind-ending vessels, which are found in almost all tissues of the body. The fluid inside lymphatics is called lymph. There are lymph nodes at intervals along lymph vessels. The valves in the lymph vessel walls are narrow and restricts the movement of large protein molecules.Which type of cells line the Bowman's capsule of the kidney? Cones Chromaffin cells Podocytes Beta cellsTime is Up!