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B) False
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A) the Bowman's capsule.
B) the glomerulus.
C) the peritubular capillaries.
D) the renal artery.
E) the proximal convoluted tubule.
G) B) and C)
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A) conserve water.
B) conserve salts.
C) eliminate waste materials such as ammonia and urea.
D) eliminate excess water.
E) regulate the pH of the gastrovascular cavity.
G) A) and B)
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A) About 25% of the plasma passing through the glomerulus becomes part of the glomerular filtrate.
B) Solutes dissolved in the plasma such as HDL and globular proteins become part of the filtrate.
C) The normal glomerular filtration rate adds up to about 180 L every 24 hours.
D) Approximately 75% of the filtrate is reabsorbed into the blood through the renal tubules.
E) The filtration membrane prevents the passage of cells, but allows large molecules to pass through.
G) C) and E)
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A) 1
B) 2
C) 3
D) 4
E) 5
G) A) and C)
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A) protonephridia are involved in osmoregulation, whereas metanephridia are involved in excretion.
B) protonephridia consist of blind flame cells, whereas metanephridia consist of tubules open at both ends.
C) protonephridia are involved in excretion, whereas metanephridia are involved in osmoregulation.
D) protonephridia consist of tubules open at both ends, whereas metanephridia consist of blind flame cells.
E) protonephridia are found in annelids and metanephridia are found in flatworms.
G) D) and E)
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A) afferent arterioles.
B) Bowman's capsule.
C) glomerulus.
D) peritubular capillaries.
E) renal artery.
G) All of the above
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