wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Urinary System & Kidneys

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

The ________ is a sac-like muscular organ that stores urine until it is released from the body.

a)

ureters

b)

kidneys

c)

bladder

d)

urethra

2.

The urine passes through the __________ as it passes out of the body.

a)

urethra

b)

ureters

c)

bladder

d)

kidney

3.

part G is the

a)

ureter

b)

urethra

c)

renal artery

d)

renal vein

4.

Part B is the

a)

cortex

b)

medulla

c)

glomerulus

d)

renal pyramid

5.

What are the main excretory organs?

a)

bladder

b)

kidneys

c)

ureters

d)

urethra

6.

Excess water and some chemical and cellular waste products eliminated from the body in liquid waste is called

a)

urea

b)

urine

c)

liquid waste

d)

solid waste

7.

The two narrow tubes that urine flows through from the kidneys to the bladder are the

a)

urethras

b)

kidneys

c)

esophagus

d)

ureters

8.

The process of artificially filtering the blood to remove waste is known as

a)

kidney failure

b)

kidney stones

c)

lithotrypsy

d)

dialysis

9.

We become thirsty on a hot day too prompt us to drink to replace __________ in order to maintain homeostasis.

a)

urine

b)

wastes

c)

blood

d)

lost fluids

10.

What structure in the kidneys filters the blood?

a)

Ureters

b)

Nephrons

c)

Bladder

d)

Urethra

11.

Nephrons are the structural and functional units of the kidney. They are responsible for _________________________.

a)

releasing urine from the body

b)

forming urine

c)

transporting water to the urinary bladder

d)

transporting blood to the kidneys

12.

______________________ is the fluid that passes from the blood through the capillary walls of the glomeruli into Bowman’s capsule.

a)

Glomerular filtrate

b)

Urine

c)

Urea

d)

Water

13.

The renal corpuscle functions to filter __________________.

a)

water

b)

blood plasma

c)

urine

14.

____________________are specialized epithelial cells of the distal convoluted tubule. These cells sense sodium chloride concentration in the tubule, which in turn reflects the systemic blood pressure.

a)

Podocytes

b)

Juxtaglomerular cells

c)

Mesangial cells

d)

Macula densa

15.

____________________are smooth muscle cells that regulate blood pressure and the filtration rate of the glomerulus.

a)

Podocytes

b)

Juxtaglomerular cells

c)

Mesangial cells

d)

Macula densa

16.

Which part of the renal tubule reabsorbs ions, water, and nutrients?

a)

Proximal convoluted tubule

b)

Loop of Henle

c)

Distal convoluted tubule

d)

Collecting duct

17.

Which part of the renal tubule selectively secretes and absorbs ions to maintain blood pH and electrolyte balance?

a)

Ascending Loop of Henle

b)

Descending Loop of Henle

c)

Distal convoluted tubule

d)

Collecting duct

18.

_____________________ is the movement of water, small solutes, & ions across a filtration membrane out of the glomerular capillary blood plasma into capsular space.

a)

Net filtration pressure

b)

Colloidal osmotic pressure

c)

Glomelular filtration

19.

Which of the following factors affect GFR (glomerular filtration rate)?

a)

autoregulation

b)

hormonal regulation

c)

autonomic regulation

d)

enzymatic regulation

20.

Which of the following are characteristics of urine?

a)

normal color is somewhat yellow

b)

pH is around 7.5

c)

pH is around 6

d)

It is sterile.

21.

Urine is about

a)

95% water & 5% waste products

b)

50% water & 50% waste products

c)

75% water & 25% waste products

d)

80% water & 20% waste products

22.

Slender tubes that transport urine from the kidney to the urinary bladder

a)

urethra

b)

urinary bladder

c)

ureters

23.

Hollow, muscular sac that temporarily stores urine

a)

urethra

b)

urinary bladder

c)

ureters

24.

Thin-walled tube that carries urine from the urinary bladder to the outside of the body by peristalsis.

a)

urethra

b)

urinary bladder

c)

ureters

25.

The act of urination is known as

a)

voiding

b)

micturition

c)

defecating