#2.70
understand the origin of carbon dioxide and oxygen as waste products of metabolism and their loss from the stomata of a leaf
#2.71
know the excretory products of the lungs, kidneys and skin (organs of excretion)
#2.72B
understand how the kidney carries out its roles of excretion and osmoregulation
#2.73B
describe the structure of the urinary system, including the kidneys, ureters, bladder and urethra
#2.74B
describe the structure of a nephron, including the Bowman’s capsule and glomerulus, convoluted tubules, loop of Henle and collecting duct
#2.75B
describe ultrafiltration in the Bowman’s capsule and the composition of the glomerular filtrate
#2.76B
understand how water is reabsorbed into the blood from the collecting duct
#2.77B
understand why selective reabsorption of glucose occurs at the proximal convoluted tubule
#2.78B
describe the role of ADH in regulating the water content of the blood
#2.79B
understand that urine contains water, urea and ions