Excretion

Multiple Choice

Excretion means...

• removal of waste products produced inside an organism's cell

• removal of undigested food from the body (pooping)

• the action of an organism to change position

• the process of making food

Multiple Choice

What is the main function of the excretory system?

• to collect and remove wastes from the body
• to strengthen skeletal muscles
• to protect the nervous system
• to bring oxygen to body cells

Poll

Examples of waste products produced by human (Tick >2)

• carbon dioxide

• oxygen

• urea

• salt

• water

Multiple Choice

These organs are responsible for what?

• storing urine
• storing water
• filtering blood
• they don't have a particular job 

Multiple Choice

where urine is stored temporarily

• bladder

• ureter
• urethra
• liver

Multiple Choice

What do kidneys filter?

• ammonia
• nitrogenous wastes
• urine
• blood

Multiple Choice

The following are examples of excretion EXCEPT

• sweating

• peeing

• pooping

• breathing out carbon dioxide

Multiple Select

Two of these substances are NOT removed from the blood, by the kidney

• red blood cell

• protein

• urea

• water

​Dialysis

​

​

​Protein test

​Use Biuret solution

Multiple Choice

Place the following events in sequence:
A)  Urine passes through the ureters
B)  Urea enters the kidneys
C)  Urine enters the urethra

• B, A, C
• C, B, A
• B, C, A
• A, C, B

Multiple Choice

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

• Glucose

• Salt

• Water

• Urea

Multiple Choice

Under normal conditions, which of the following substances is found in urine?

• blood cells
• protein
• glucose
• urea

Multiple Choice

Using the picture, what is the function of structure C?

• Carries urine away from the kidneys
• Stores urine
• Eliminates urea, excess water, and some other materials
• Carries urine away from body and eliminates it

Multiple Choice

Using the picture, what is the function of structure B?

• Carries urine away from the kidneys
• Stores urine
• Eliminates urea, excess water, and some other materials
• Carries urine away from body and eliminates it