Excreatory System Review Flashcards Preview

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Flashcards in Excreatory System Review Deck (28):
1

What is the main function of the excretory system?

The excretory system is responsible for the elimination of wastes produced by homeostasis

2

List the organs associated with the excretory system and the substances that each excretes.

Lung, liver

Kidney, ureter, urinary bladder, urethra - urine, urea, excess water, sodium

3

Draw and label the three parts of the kindney

From the inside first

Pelvis, medulla, cortex

4

In biology, what words refers to the kidney?

Renal

5

Approximately what size is one kidney and where in the human body are they located?

The size of your palm

Located near lower abdomen

6

Do #6 on the review

Do #6 on the review

7

Describe the pathway of the filtrate and blood thorough the kidney and the nephron and the specific substances associated along the pathway.

Renal artery - glomerulus -capillaries - renal vein = blood

Bowmans capsule - loop of Henley - collecting duct = filtrate

8

Describe Filtration

A process in which the blood is filtered in the glomerulus so that the substances that are important can be retained and selectively reabsorbed by the body

9

Describe Reabsorption

The process by which water and dissolved substances are put back into the blood

10

Describe Excretion

The process by which these metabolic wastes are eliminated to maintain homeostasis

11

Look at question number 9

Look at question number the on the review

12

Define homeostasis

Means to maintain a balance in the body

13

How does the urinary system maintain homeostasis?

-waste management
-regulates water and liquids in the blood
-regulates a pit

14

What are the functions of the urinary system?

Their function is to remove liquid wastes from the blood in the form of urine and keep a stable balance of salts and other substances in the blood

15

What is micturition?

Fancy science terminology for “urination”

16

Describe the ureters?

-collapsible tubes that allow urine to flow though it
-valves to prevent backflow

17

Describe the bladder?

-muscle sac for the temporary storage of urine
-has fold (reggae) different sizes
-can hold 500ml of liquid comfortably and a maximum of 1000ml in an adult

18

Describe the urethra?

Short tube with an involuntary controlled sphincter leading urine out of the body

19

Describe the colour, odour, and turbidity of normal urine

-Transparent or clear
-slightly aromatic
-light yellow to amber

20

Blue urine

Consumed food with blue dye, such as frosting or candy

21

Brown or black urine

Eating certain beans like fava beans causes darkening of the urine because of their dopamine content.

22

Cloudy or white urine

Indicates a bacterial infection or sometimes in happens after sex

23

Why might a healthcare professional take a urine sample?

Colour, odour, drugs

24

Describe dialysis?

Usually ya use dialysis when your kidneys fail.
It removes water, salt, and extra water to prevent them from building up in the body.

25

Describe kidney stones

Substances such as calcium, magnesium, or uric acid salts in the urine crystallize and form kidney stones.

26

Where does a transplanted kidney get replaced?

The transplanted kidney gets placed into your lower abdomen.

27

Describe ADH and how it controls kidney function

An anti-divertic hormone is released by the pituitary gland (in the brain) directly into the blood.
It cause kidneys to absorb water and excrete less urine

28

What are the effects of excessive caffeine and/or alcohol consumption on kidney function.

It’s leads to less water being reabsorbed and more frequent urination.