Cortex is a term you probably heard of before right. You can kind of see that it's the shell of the kidney right, and as a shell, we call it the renal cortex. The first part is sort of this outside area right here. And the nephron is sort of situated in two parts of the kidney.
We'll talk about some other structures in a minute that are only responsible for collection, but the nephron is charged with filtration and collection, so it's got two hats on. Responsible for filtration and collection. The single smallest functional unit of a kidney is called the nephron, the nephron, and the nephron is Talk about our functions, there is a unit that we can talk about. Is a single functional unit, and so when we Now, at this point, I should also mention that there Somethings in that filtrate, we want to get rid off,Īll the wasty stuff that we don't need, and so another or the second very importantįunction of our kidneys is collection, and between these two jobs, the kidney will take our blood and put out some urine. We take our blood and we filter it out, so we have all our waste products and some important molecules like ions or amino acids or glucose that end up in a filtrate that then passes through the kidneys. What are the two main functions that they need to carry out in orderįor us to filter our blood? So, the first function Now, let's talk about the two main functions our So now we know sort of how the blood enters and leaves. Our renal veins are going to take the returned or reabsorbed nutrients back into our blood and send it on its way.Īll right, very cool. Renal veins right here for each of our kidneys. Things that are important, we are going to collect That comes out, we're going to process it and
So going into the details, when blood comes into our kidneys, they enter through the renal artery, so I've got two renal arteries right here, one right there, one right there, and as you can see, it's going to go branch off and have a whole bunch of other networks that are going to be disseminated from here, and I'll talk a little more about that in a separate video.īut what happens is that we're going to haveįiltration of our blood, and from that filtrate And it's very important for us to regulate what is the pH of ourīlood or how acidic it is or how many osmoles we have or things that dictate where ions or water flows. So, that's sort of the overview look of what we're going to be doing here, and the reason why we do this is because there are cells in ourīody produce waste products or change up the acidity or the osmolality of our blood. So, with these two kidneys right here, we're going to take in some blood, that will come in through our renal artery and come out at the end through our ureters right there to produce urine. Overview before going into the specific parts Work, and we'll start in this video with a brief So, I think we should investigate further into how our kidneys And in a normal person, that's got about 5 liters of blood, that means that within 5 minutes all of your blood will pass through your kidneys, that's crazy. That you can have about 1.1 liters per minute of They can hold about 22 percent of your entire blood supply at any time.
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