Respiration

The process of breaking down of food in the cell with release of energy is called

• Digestion

• Cellular respiration

• Circulation

• Excretion

Anaerobic respiration.....

• doesn't require CO2
• requires CO2
• doesn't require oxygen
• requires oxygen

When you breathe, your lungs take in ___ and remove ___. 

• air/oxygen
• oxygen/carbon dioxide 
• carbon dioxide/waste 
• waste/air 

When breakdown of glucose occurs with the use of oxygen it is called

• aerobic respiration

• anaerobic respiration

• cellular respiration

• anaerobes

During heavy exercise when supply of oxygen to our muscles is insufficient food breakdown is by

• anaerobic respiration

• aerobic respiration

• cellular respiration

What is the organ "x"

• Heart
• Lungs
• Diaphragm
• Trachea

During inhalation diaphragm moves

• Down

• Left

• Right

• Up

What is the organ used in plants for respiration ?

• Gills

• Stomata

• Lungs

Respiration and Photosynthesis are opposite to each other

• False

• true

Plants respire through

• Root

• Stem

• Leaf

• All the above