Respiration in organisms

Anaerobic respiration.....

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

Which organ excretes carbon dioxide?

• Lungs
• Liver
• Heart
• Kidney

Name the organ label # 6. 

• alveoli 
• bronchi 
• trachea 
• lungs 

Which of the following use spiracles for respiration?

• mosquito & cockroach

• earthworm & cockroach

• fish & grasshopper

• only cockroach

Which of the following statements is false?

• Earthworms breathe through their moist skin

• Cockroach takes in air through tiny air tubes called tracheae which release oxygen into the blood stream

• Fish take in oxygen dissolved in water through their gills

• The body of cockroach is divided into three parts- abdomen, thorax and head

What do the plants release during the respiration?

• Oxygen

• O2

• Carbon Dioxide

• CO2

Root of plant also need oxygen to survive?

• True

• False

During inhalation diaphragm moves

• Down

• Left

• Right

• Up

Where in the body does respiration take place? Select the best answer.

• The lungs

• The muscles

• All cells

• The blood

What happens to lime water, when we exhale air into it?

• Remains same
• Turns blue
• Turns milky
• Becomes colourless