Gen Bio 19 Nov

_____ is a sound producing organ.

• larynx

• pharynx

• tonsils

• trachea

what is role of epiglottis

• to prevent entry of germs

• to produce sound

• to respire

• to prevent the entry of food

residual volume is

• 150 mL

• 500 mL

• 600-700 mL

• 1100-1200 mL

How does the oxygen in lungs enter the blood?

• Diffusion

• Active transport

• Carrier mediated transport

• Ion channels

Which of the following is respiratory organ?

• Lungs

• Gills

• Kidney

• Skin

Identify the correct path of inhaled air in humans

• Larynx - Pharynx - Trachea - Bronchi - Bronchioles - Alveoli

• Pharynx - Larynx - Trachea - Bronchi - Bronchioles - Alveoli

• Larynx - Pharynx - Trachea - Bronchi - Alveoli - Bronchioles

• Pharynx - Larynx - Trachea - Bronchi - Alveoli - Bronchioles

Respiration: Diaphragm _______ and air pressure inside the lungs is ________ than atmosphere during inhalation of air

• Relaxes, lower

• Contracts, higher

• Relaxes, higher

• Contracts, lower

heart is enclosed in a membrane called

• perichondrium

• pericardium

• periosteum

• peritoneum

the fluid seen in the intercellular spaces in human is ___

• blood

• lymph

• interstitial fluid

• water

which one of the following human organ is often called the "graveyard" of RBC

• gall bladder

• kidney

• spleen

• liver