Respiratory and Excretory Systems

The role of the respiratory system is to bring what substance into the body?

• water
• oxygen
• carbon dioxide
• red blood cells

A tube through which urine passes before it is removed from the body is a(n)

• bladder
• urethra
• nephrons
• ureters

Which parts of the respiratory system divide into smaller and smaller tubes in a pattern that resembles the branches of a tree?

• pharynx
• trachea
• bronchi
• epiglottis

The dome-shaped muscle that plays an important role in breathing is the

• diaphragm
• alveoli
• larynx
• bronchus

 __________ is the result of the excretory system balancing the amount of water and salts in your body and it is stored in your bladder until it is excreted.

• Feces
• lymph
• urine
• water

These are the main organs of your excretory system. Which organ is responsible for filtering liquid waste from your blood?

• bladder
• kidneys
• urethra
• ureters

The role of the excretory system is to rid the body of toxic waste products. Which of these body systems also plays a direct role in removing waste products from the body?

• endocrine
• nervous
• respiratory
• skeletal

Your kidneys work to filter liquid waste from your blood. They also play an important role in regulating the amount of __________ in your body.

• food
• oxygen
• sugar
• water

Tubes which connect each kidney to the bladder are called

• nephrons
• urethra
• ureters
• urea

A a small closed container with two balloons could be used to modeled what type of human body function?

• circulation
• digestion
• heart
• lungs