1958846
Pregunta 1
Pregunta
The excretory system includes the skin, lungs, liver and kidneys and excretes metabolic wastes from the body.
Respuesta
- True
- False
Pregunta 2
Pregunta
What are the parts of the excretory system?
Respuesta
-
The skin, lungs and kidneys
-
The kidneys, stomach and lungs
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The skin, lungs, liver and kidneys
Pregunta 3
Pregunta
What is the role of the skin in excretion?
Respuesta
-
Excretes excess water
-
Excretes salt
-
Excretes a small amount of urea in sweat
-
All of the above
Pregunta 4
Pregunta
The lungs excrete carbon dioxide and small amounts of water vapor.
Respuesta
- True
- False
Pregunta 5
Pregunta
The liver converts potentially dangerous nitrogen wastes, a product of protein breakdown , into less toxic urea.
Respuesta
- True
- False
Pregunta 6
Pregunta
The kidneys are a pair of fist sized organs located on either side of the spinal column near the lower back.
Respuesta
- True
- False
Pregunta 7
Pregunta
The kidneys produce and excrete a waste product known as urine.
Respuesta
- True
- False
Pregunta 8
Pregunta
These transport urine from the kidneys to the urinary bladder.
Respuesta
-
Bladder
-
Ureters
-
Urethra
Pregunta 9
Pregunta
The urinary bladder is where the urine is stored
Respuesta
- True
- False
Pregunta 10
Pregunta
Urine is released through the urethra.
Respuesta
- True
- False
Pregunta 11
Pregunta
A waste laden blood enters the kidney through the renal artery, the kidney removes urea, excess water and minerals and other waste products
Respuesta
- True
- False
Pregunta 12
Pregunta
Nephrons are the individual processing units in the kidneys that do most of the work
Respuesta
- True
- False
Pregunta 13
Pregunta
Blood purification in the kidneys is a complex process and involves
Respuesta
-
Filtration
-
Filtration and reabsorption
Pregunta 14
Pregunta
Filtration is the passing of a liquid or a gas through a filter to remove wastes.
Respuesta
- True
- False
Pregunta 15
Pregunta
A glomerulus is..
Respuesta
-
A small but dense network of capillaries or very small blood vessels encases in the upper end of each nephron
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Bowman's capsule
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Nephron
Pregunta 16
Pregunta
Bowman's capsule is a hollo, cup shaped structure that encases the glomerulus
Respuesta
- True
- False
Pregunta 17
Pregunta
The material that is filtered from the blood is called
Respuesta
-
Nephron
-
Glomerulus
-
Bowman's capsule
-
Filtrate
Pregunta 18
Pregunta
Nearly all the material that moves into Bowman's capsule makes its way back into the blood.
Respuesta
- True
- False
Pregunta 19
Pregunta
The process by which water and dissolved substances are taken back into the blood is called
Respuesta
-
Filtration
-
Reabsorption
Pregunta 20
Pregunta
The kidneys first throw away everything and then takes back only what the body needs.
Respuesta
- True
- False
Pregunta 21
Pregunta
A section of the nephron tubule is called the loop of Henle and its job is to conserve water
Respuesta
- True
- False
Pregunta 22
Pregunta
The waste material now called urine that remains in the tubule is emptied into a collecting duct and from there the urine flows to the ureter of each kidney.
Respuesta
- True
- False
Pregunta 23
Pregunta
The ureters carry urine to the urinary bladder for storage until the urine leaves the body through the urethra.
Respuesta
- True
- False
Pregunta 24
Pregunta
The kidneys play an important role in maintaining homeostasis.
Respuesta
- True
- False
Pregunta 25
Pregunta
The kidneys
Respuesta
-
Respond directly to the composition of the blood
-
Are influenced by the endocrine system
-
None of the above
-
All of the above
Pregunta 26
Pregunta
Problems with the kidneys include
Respuesta
-
Kidney stones
-
Kidney damage
-
Kidney failure
-
All of the above
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