excretory system

Which of these is the correct sequence of urine moving through the urinary system?

• kidneys, ureters, bladder, urethra
  
• bladder, kidneys, ureters, urethra
  
• kidneys, urethra, bladder, ureters
• ureters, kidneys, bladder, urethra
  

_______ failure can lead to a buildup of waste products in the body.

• Bladder
• Urethra
• Kidney
• Ureters

The _______ is an elastic, muscular organ that holds urine until it leaves the body.

• Bladder
• Ureter
• Nephron
• Urethra

What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from the body

• o break down food and absorb nutrients

• to remove oxygen from the body and deliver carbon dioxide

What is oxygen needed for?

• energy releasing chemical reactions

• to make glucose

• to take in sunlight

• none of the above

Tags

NGSS.MS-LS1-6

Tiny structures known as _________ are found in the kidneys to filter the blood.

• alveoli

• cilia

• villi

• nephrons

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

Blood being pumped to the kidneys and then filtered by neurons is an example of which two systems working together?

• circulatory and muscular

• excretory and circulatory

• nervous and excretory

• nervous and muscular

Tags

NGSS.MS-LS1-3