kidneys {Ans: pair of organs that regulate fluid balance and filter waste from the blood}renin {Ans: enzyme released by the kidney when reduced blood pressure is detected by barorecptors in aorta and carotid arteries by baroreceptors in aorta and carotid arteries}homeostasis functions {Ans: -maintain the constant concentration of glucose in blood -maintain the right amount of water in the blood}glomerulus {Ans: network og capillaries from which blood pressure pushes water, salt, glucose, amino acids, and urea from the blood}5. what happens to the levels of blood glucose and hormones after eating? {Ans: blood glucose levels rise, pancreas responds by releasing insulin then decreases in blood glucose levels}innate immune system {Ans: collection of non specific barriers and cellular response 2nd line of defense against pathogens}