Today's lecture was about urinary system. However, the instructor was tired. The powerpoint was bad (she said she lost hers last night and sat up all night redoing it). The information doesn't make sense. Can someone please explain to me or provide me with a reference on the kidneys function? We went over the nephrons and I made notes on the photos with arrows and everything but even looking over it I can't quite make sense of it. I do record the lectures and will be listening to it over but still need help. I dont have any clue about angiotensin II. What is it? where does it come from? What exactly is the JG Apparatus? How does Renin work? What if someone has a hyper or hypotension? Does the renin secrete to bring up that pressure or is it only with fluid overload/dehydration? When the RBC and protein leave the Glomerulus and go to the Efferent Arteriole do the smaller particles also go? My understanding is that they go on to the proximal convoluted tubule. If that is the case do they ever meet up again? Then how do you get protein in your urine? How are bad RBC excreted?
Any information is greatly appreciated. (Supposedly we are going over this material again tomorrow)