BIO 1002 TEST 2 LATOYA PAUL
QUESTIONS AND ANSWERS
(LATEST)
The __ ___ is non-selective in what crosses the intestinal wall and
enters the cells - ANSWERS-Digestive System
The __ __ restores and maintains the proper internal regulation of
these materials in the body despite differences in diet. - ANSWERS-
Excretory System
Major functions of the excretory system in mammals: - ANSWERS--
Excretion of cellular waste products
-Maintains the osmolarity of body fluids
The concentration of dissolved substances in a solution - ANSWERS-
Osmolarity
Blood is selectively filtered where? - ANSWERS-The kidneys
A compound which allows ammonia to be removed from the blood -
ANSWERS-Urea
Ammonia is ___ and must be removed from the system - ANSWERS-
Toxic
,Protein>>amino acids>>simpler molecules+ammonia - ANSWERS-
***
Detoxifies and converts ammonia to the urea - ANSWERS-Liver
Filter out the urea with other wastes - ANSWERS-Kidneys
Make up the excretory systems of flatworms - ANSWERS-
Protonephridia
-Network of tubes branching throughout the body
-Tubes end at hollow bulbs called Flame Cells - ANSWERS-
Protonephridia
Water is propelled by ___ ___ that also force the watery urine out
through the pores - ANSWERS-Flame Cells
Function as simple kidneys (in earthworms and mollusks) -
ANSWERS-Nephridia
____ and ___ collected from the blood and tissues fills the body
cavity (Coelom) - ANSWERS-Water and Nutrients
Coelomic Fluid enters the Nephridia through fullen shaped openings
called ___ and passes through a narrow twisted tube where useful
, substances are reabsorbed into the bloodstream - ANSWERS-
Nephrostomes
Excretion (in humans and vertebrates) is accomplished by the __ -
ANSWERS-Kidneys
Complex organs which resemble a dense collection of Nephridia
**paired
**bean-shaped
**5 x 3 x 1 inches - ANSWERS-Kidneys
Unfiltered blood enters through __ ___ - ANSWERS-Renal arteries
Filtered blood leaves though ___ ___ - ANSWERS-Renal veins
Passes urine (by peristalsis) to the hollow muscular BLADDER,
where it is collected and stored until the bladder is emptied through
the URETHRA - ANSWERS-Ureter
Retention of urine is controlled by 2 ___ ___ - ANSWERS-2
Sphincter Muscles
Sphincter Muscles are located at the base of the ___ just above the
junction with the urethera - ANSWERS-Bladder
QUESTIONS AND ANSWERS
(LATEST)
The __ ___ is non-selective in what crosses the intestinal wall and
enters the cells - ANSWERS-Digestive System
The __ __ restores and maintains the proper internal regulation of
these materials in the body despite differences in diet. - ANSWERS-
Excretory System
Major functions of the excretory system in mammals: - ANSWERS--
Excretion of cellular waste products
-Maintains the osmolarity of body fluids
The concentration of dissolved substances in a solution - ANSWERS-
Osmolarity
Blood is selectively filtered where? - ANSWERS-The kidneys
A compound which allows ammonia to be removed from the blood -
ANSWERS-Urea
Ammonia is ___ and must be removed from the system - ANSWERS-
Toxic
,Protein>>amino acids>>simpler molecules+ammonia - ANSWERS-
***
Detoxifies and converts ammonia to the urea - ANSWERS-Liver
Filter out the urea with other wastes - ANSWERS-Kidneys
Make up the excretory systems of flatworms - ANSWERS-
Protonephridia
-Network of tubes branching throughout the body
-Tubes end at hollow bulbs called Flame Cells - ANSWERS-
Protonephridia
Water is propelled by ___ ___ that also force the watery urine out
through the pores - ANSWERS-Flame Cells
Function as simple kidneys (in earthworms and mollusks) -
ANSWERS-Nephridia
____ and ___ collected from the blood and tissues fills the body
cavity (Coelom) - ANSWERS-Water and Nutrients
Coelomic Fluid enters the Nephridia through fullen shaped openings
called ___ and passes through a narrow twisted tube where useful
, substances are reabsorbed into the bloodstream - ANSWERS-
Nephrostomes
Excretion (in humans and vertebrates) is accomplished by the __ -
ANSWERS-Kidneys
Complex organs which resemble a dense collection of Nephridia
**paired
**bean-shaped
**5 x 3 x 1 inches - ANSWERS-Kidneys
Unfiltered blood enters through __ ___ - ANSWERS-Renal arteries
Filtered blood leaves though ___ ___ - ANSWERS-Renal veins
Passes urine (by peristalsis) to the hollow muscular BLADDER,
where it is collected and stored until the bladder is emptied through
the URETHRA - ANSWERS-Ureter
Retention of urine is controlled by 2 ___ ___ - ANSWERS-2
Sphincter Muscles
Sphincter Muscles are located at the base of the ___ just above the
junction with the urethera - ANSWERS-Bladder
