Excretion 7

Excretion, in unicellular plants and animals, takes place through _________.

• Diffusion

• Osmosis

Which organ system removes cellular wastes as the result of cellular respiration?

• nervous
• digestive
• excretory
• circulatory

what do the lungs do in the excretory system

• dispose of carbon dioxide through exhalation
• disposes of smog thru exhalation
• dispose of ultraviolet rays through exhalation
• dispose of rays through exhalation

What vascular tissue transports food within a plant?

• Phloem
• Xylem
• Stomata
• Cell wall

What vascular tissue transports water within a plant?

• Phloem
• Xylem
• Stomata
• Cell wall

_______ are tubes that carry nutrients to other parts of the plant. 

• stomata 
• roots 
• xylem 
• xylophone 

Substances transported in plants are

• water

• minerals

• food

• all of the above

Tags

NGSS.MS-LS2-3

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

The process of removal of the body’s wastes is called

• gas exchange.
• respiration.
• excretion.
• filtration.