EXCRETION

The lungs, kidney and skin are all part of the

• nervous system
• nephron
• kidney
• excretory system

Which of the following mainly excretes CO₂?

• skin
• kidney
• lungs
• urethra

Which of the following mainly excretes nitrogenous waste, water and salts?

• skin
• kidney
• lungs
• gall bladder

These organs are responsible for what?

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

What is #4?

• Kidney
• Ureter
• Bladder
• Urethra

What is #2?

• Kidney
• Ureters
• Bladder
• Urethra

How are the lungs associated with the excretory system?

• They help the flow of blood
• Help you urinate faster
• They take in oxygen.
• They produce the waste product, carbon dioxide (CO2)

the removal of metabolic wastes such as carbon dioxide, water, salts, and urea

• digestion
• nutrition
• circulatory
• excretion

where urine is stored temporarily

• urinary bladder
• ureter
• urethra
• bile

What do kidneys filter?

• ammonia
• nitrogenous wastes
• urine
• blood