Respiratory System in Human and Animals

Which of the following is not the adaptations of respiratory structures for efficient exchange of gases in big organisms

• Large ratio of total surface area to volume (TSA/V)

• Thin respiratory structure

• Moist surface

• Neutral pH

Which of the following is not a part of an insect's respiratory system

• air sacs

• trachea

• spiracles

• lungs

What is the entrance of air in grasshopper?

• Spiracles

• Trachea

• Air sacs

• Trachiole

Picture shown respiratory system of insects. Gaseous exchanged happened at R and muscle. Which of the following process occurs between R and muscle.

• Simple diffusion

• Active transport

• Osmosis

• Facilitated diffusion

Some insects have air sacs in their trachea system. What is the function of air sacs?

• Site of gaseous exchange

• Speed up the delivery of respiratory gas

• Stored the oxygen

• Provides a large total surface area

  
  

In fish, what part filters oxygen that goes inside its body?

• mouth

• scale

• fins

• gills

Where does gaseous exchange occurs in fish?

• Operculum

• Gills

• Lamellae

• Gill arch

Below are some of adaptations in fish respiratory structure except

• Surface of the lamella is folded

• The filament has many thin and flat projections called lamella

• Lamella membrane is thin

• Supplied with many blood capillaries

Frogs breathe by .

• Skin

• Lungs

• Skin and Lungs

• Skin and nose

In an inactive state, the frog uses its ____ for gaseous exchange

• Skin

• Lungs

• Skin and Lungs

• Mouth