Respiration and Circulation

nasal chamber is divided into two part by

• Sphenoid

• palatine

• mesethermoid cartilage

• zygomatic

_____ 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

inspiration is

• a passive process

• caused due to decrease in thoracic volume

• the process in which diaphragm becomes dome shaped

• caused due increase in thoracic volume

residual volume is

• 150 mL

• 500 mL

• 600-700 mL

• 1100-1200 mL

which of the following is without nucleus

• red blood corpuscle (RBC)

• neutrophil

• basophil

• lymphocyte

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 animals has two separate circulatory pathway

• whale

• shark

• frog

• lizard

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

• gall bladder

• kidney

• spleen

• liver