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Worksheets

Excretion

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.

The organ that removes metabolic wastes including urea, excess water, and salts from the blood.

a)

lung

b)

liver

c)

kidney

d)

colon

2.

The organ whose excretory functions include detoxification of the blood and formation of urea.

a)

liver

b)

kidney

c)

bladder

d)

gall bladder

3.

The functional unit of the kidneys which includes the glomerulus, Bowman's capsule, tubules and the Loop of Henle.

a)

Malpighian body

b)

renal tubule

c)

renal corpuscle

d)

nephron

4.

A short tube where urine is released from the body is the _______.

a)

Ureter

b)

Calyx

c)

Collecting duct

d)

Urethra

5.
Place the following events in sequence:
A)  Urine passes through the ureters
B)  Urea enters the kidneys
C)  Urine enters the urethra
a)
B, A, C
b)
C, B, A
c)
B, C, A
d)
A, C, B
6.

Which substance is NOT found in the liquid in the highlighted parts of a healthy person?

a)

Glucose

b)

Salt

c)

Water

d)

Urea

7.

Which organ of the excretory system stores urine until the body is ready to eliminate it?

a)

ureters

b)

urethra

c)

urinary bladder

d)

renal pelvis

8.

Organs of excretion that maintain homeostasis include the kidneys, lungs, skin, and

a)

colon.

b)

bladder

c)

liver.

9.

Term for both the bunch of capillaries and the cup-shaped structure which forms part of the nephron

a)

Bowman's capsule

b)

Glomerulus

c)

Malpighian body

d)

Renal tubule

10.

The area where all of the glucose is absorbed.

a)

Loop of Henle

b)

Proximal convoluted tubule

c)

Distal convoluted tubule

d)

Collecting tubule

11.

The area where the pH of the blood is controlled.

a)

Loop of Henle

b)

Proximal convoluted tubule

c)

Distal convoluted tubule

d)

Collecting tubule

12.

The area where a sodium pump is found.

a)

Loop of Henle

b)

Proximal convoluted tubule

c)

Distal convoluted tubule

d)

Collecting tubule

13.

The area influenced by hormones in order to regulate water balance in the body.

a)

Loop of Henle

b)

Proximal convoluted tubule

c)

Distal convoluted tubule

d)

Collecting tubule

14.

The "salty" region of the kidney.

a)

Cortex

b)

Medulla

c)

Renal pelvis

d)

Hilum

15.

A collection of collecting ducts forms a ..

a)

Calyx

b)

Ureter

c)

Pyramid

d)

Urethra

16.

The area of the nephron impermeable to water is the....

a)

Descending limb of the L of H

b)

Ascending limb of the L of H

c)

Proximal tubule

d)

Distal tubule

17.

The wider of the two arterioles is the...

a)

Efferent arteriole

b)

Afferent arteriole

18.

"Filtrate" is the name given to the fluid in the ...

a)

Capillaries

b)

Nephron

c)

Bladder

19.

Choose the substances (more than 1) that will be found in larger quantities the renal artery.

a)

glucose

b)

urea

c)

water

d)

oxygen

e)

carbon dioxide

20.

Choose the substances (more than 1) that will be found in larger quantities the renal vein.

a)

glucose

b)

urea

c)

water

d)

oxygen

e)

carbon dioxide