The C shape of the tracheal cartilage is important because
A. Divide the nasal cavity
B. Allows for expansion or contraction of the trachea
C. Provide a surface for the sense of smell
D. All of the above
Answer: Option B
Solution(By Examveda Team)
The cartilaginous rings are C-shaped to allow the trachea to collapse slightly at the opening so that food can pass down the esophagus.Related Questions on Biology
Ordinary table salt is sodium chloride. What is baking soda?
A. Potassium chloride
B. Potassium carbonate
C. Potassium hydroxide
D. Sodium bicarbonate
A. hole in ozone layer
B. decrease in the ozone layer in troposphere
C. decrease in thickness of ozone layer in stratosphere
D. increase in the thickness of ozone layer in troposphere
A. angiosperms
B. gymnosperms
C. monocotyledons
D. dicotyledons
Pollination is best defined as
A. transfer of pollen from anther to stigma
B. germination of pollen grains
C. growth of pollen tube in ovule
D. visiting flowers by insects
Join The Discussion