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Urinary System

The urinary system, including the kidneys, ureters, bladder, urethra and sphincters, allows us to expel waste from our body. Ask questions about this vital system here.

2,844 Questions

What is the allowable neutrophil cell number in urine?

The normal value is zero, although some reference values may allow up to trace amounts in a free catch sample.

What kind of epithelial tissue forms kidney tubules?

Simple cuboidal epithelial tissue lines the surface of the kidney's tubules. These simple cuboidal cells absorb and transport the various substances that are filtered by the kidney.

Where is the waste stored before it leaves the body?

Liquid waste is stored in the bladder and solid waste (feces) is stored in the colon.

The lower part of the large intestine is called the Rectum, the final straight portion leading to the Anus.

The second letter is e and the fourth letter is t so it is Rectum.

What are the risks of urinary catheterization?

The catheter may introduce bacteria into the urethra and bladder, resulting in urinary tract infection. UTI can cause fever and inflammation of the bladder and urethra.

What capillaries surround the tubules of the nephron?

Although ultra filtration in the kidney filters wastes such as nitrogenous waste products in the glomerulus from the blood, it also filters nutrients such as glucose and amino acids. Hence, the loop is surrounded by blood capillaries so that previously ultra filtrated nutrients such as amino acids, glucose, and other nutrients can now be reabsorbed back into the bloodstream by diffusion and active transport and not travel down the further kidney tubules which lead to the bladder and later be expelled in the form of urine.

What is the normal glucose range in urine?

There should be no glucose in urine - it is too valuable to be lost from the body, so it is reabsorbed in the kidneys. Any traces of sugars in urine could be a sign of diabetes, and it would be wise to see your GP for further advice and tests.

Is peeing good?

Well, if you never urinated, it would mean your kidneys weren't working, which would kill you. Or, if your kidneys were working but your urethra were blocked and you couldn't go, your bladder would burst. So, though most societies on Earth attach a taboo or stigma to the act of urination, it is part of what keeps you alive; elsewise you'd suffocate on your own nitrogen. Urination is the result of the purifying of the blood. But generally it should be done in the lavatory, not on the sidewalk! ;-)

What is the name of the liquid waste which the kidneys pull from the blood?

The liquid that is filtered by the kidneys and then stored in the bladder is called urine.

Contrary to popular belief, when urine exits the body, it is NOT sterile.

How do you know whether you have chlamydia or a UTI?

I am not a Doctor or anything, but I can attempt to answer this question based on my own personal experiences. Although a yeast infection can have a funny odor, it is usually different from bacteria. Bacteria usually has a foul-like "fishy" odor. The discharge is usually thin, and clear. A yeast infection on the other hand, has a cottage cheese like discharge, and the smell is usually "musky". Not to mention a yeast infection itches like mad, and can be very annoying. My suggestion is to go to the Doctor and not to try and diagnose yourself, because although you can get medicine for a yeast infection over the counter, medicine for bacteria can only be prescribed, and trust me the longer you wait on either on of these infections the worse it is.

Hope that helps,

The kidneys filter what from the blood and form urine?

Urine, if it is liquid waste, or feces if it is solid waste. but i don't actually think kidneys process the solid waste... hope this helped! ;D

What precautions need to be taken when doing kidney function tests?

The biopsy is not recommended for patients who have any uncontrollable bleeding disorders. Platelets are blood cells that play an important role in the blood clotting process. If the bleeding disorder is caused by a low platelet count.

What does is mean when men urinate more often?

either you have a small bladder or an infection

How does the urinary system and respiratory system work together?

This has to do with acid-base homeostasis. Normal blood pH is 7,4.

- Alkalosis = pH >7,4

- Acidosis = pH <7,4

Then you have 2 types for each one, respiratory or metabolic.

- Respiratory alkalosis = CO2 <40mmHg

- Respiratory acidosis = CO2 >45mmHg

- Metabolic alkalosis = HCO3- >26mEq

- Metabolic acidosis = HCO3- <22mEq

If your breathing rate goes beyond 20 per minute (hyperventilation), CO2 goes down and pH goes up. Then your body compensates this by losing HCO3- in the urine, lowering the pH.

If your breathing rate slows down below 15 per minute (hypoventilation), CO2 goes up and pH goes down. Then you reabsorb more HCO3- in the kidneys, raising the pH.

If your kidneys start malfunctioning, your body can't excrete acid compounds and HCO3- gets consumed, then the pH goes down. Your breathing rate goes faster in order to excrete more CO2, raising the pH.

And in some cases the kidneys reabsorb more HCO3- than they should, and pH goes up. Then your breathing rate slows down, CO2 goes up and pH goes down.

In some cases, pH can vary due to other reasons, such as diabetes or diarrhea, which can produce acidosis, or severe vomiting, that produces alkalosis. These are classified as metabolic as well, but can be regulated both by the respiratory and the urinary system, though the latter is rather inefficient in these cases.

How urine is removed from the blood and then eliminated from the body?

Urine is formed in the kidneys, specifically by the renal tubules in the nephrons of the kidneys. It then is collected by the renal pelvis, where it exits though the ureters, moves to the bladder where it is stored until urination, during which it is expelled through the urethra.

What is the Average time between urination?

In his life? Wow... I wouldn't even be able to hedge a guess.

The number of times you urinate depends on many factors, including how much water you drink, if you drink any diuretic substances such as tea, soda, or coffee, certain medications you may take, your activity level (loss of fluids through sweat decreases urination), the size and tone of your bladder, the size of your prostate, and whether you might have any urinary tract infections or abnormalities.

As you see, it can be a quite complex thing to ask such a question.

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a day, it tends to depend on what you do. generally 2 times if you are just hanging around, but up to 4 or 5 if you are working out for 8 or 9 hours.

But if you mean daily you should do it about 2-4times a day

What does it mean when your urine has a foul smell?

Sometimes it is just something you have eaten, garlic and asparagus are prime suspects, but if you haven't been eating anything like that an infection is the most likely. Also, certain medications can cause the urine to have an odor as they pass through your system. Vitamins, especially in large doses are notorious for causing these symptoms. If your are not drinking enough water or fluids it will cause your urine to be more concentrated, giving it an odor and dark color. If your symptoms do not resolve, see your doctor.

What is the main organ of urination?

The Kidney which then stores the urine in the bladder prior to it passed ou of the body via the urethra.

Can the human body function without their Kidneys?

The kidney is used to 'clean' the blood. You could get on ok without one for a few days but then your health would go downhill as the toxins in your blood build up. It's possible, but you would have to go through a process of dialysis every few days for the rest of your life, where a machine has to clean the blood for you.

Have pressure in my bladder and feels like I have to pee?

an overactive bladder, but that is probably something you are born with (im no doctor) If this just started happening, maybe you just drink more liquids or maybe your pregnant. I would doubt you would be pregnant because my girlfriend and i have had that scare and she seems to have to pee alot before her next period. If it becimes overwhelming i would see a doctor though.

Why does urine come out your rectum?

Recto-vesicular fistula?

Carcinoma of bladder with colonic adhesions?

What happens to the urine that is formed in the kidney?

The urine will go in the urinary bladder in some processes and your body will have a sign that you should take out the urine in your body.
After filtering by the kidneys, urine flows to the bladder via two tubes called ureters. One ureter links each kidney to the bladder.

What is the role of urinary bladder in excretory system?

The kidneys and urinary bladder work together, yes, but they are in the URINARY system. They process and get rid of fluid waste. But they are NOT in the excretory system.

The kidneys process the fluid wastes, then releases the fluid as urine, which is stored in the urinary bladder.

The work alongside the excretory system. The excretory system processes solid and semi-solid wastes by drawing fluid into the small intestines. When done processing the waste, the large intestines releases excess fluids over to the kidneys to process the fluid. At times when this balance is not maintained, such as during the flu, the intestines releases wastes as diarrhea because there isn't enough time between excretions to shuttle the excess fluids to the kidneys.