Florida Science Grade 6

Section 4: The Excretory System

The Excretory System

1.
Which of the following is not part of the excretory system?
A)skeletal system
B)digestive system
C)respiratory system
D)urinary system
2.
Which of these is the correct sequence of urine moving through the urinary system?
A)kidneys, ureters, bladder, urethra
B)bladder, kidneys, ureters, urethra
C)kidneys, urethra, bladder, ureters
D)ureters, kidneys, bladder, urethra
3.
_______ failure can lead to a buildup of waste products in the body.
A)Bladder
B)Urethra
C)Kidney
D)Ureters
4.
What substance is not reabsorbed by blood after it passes through the kidneys?
A)salt
B)waste
C)sugar
D)water
5.
The _______ is an elastic, muscular organ that holds urine until it leaves the body.
A)bladder
B)ureter
C)nephron
D)urethra
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