Which structure of the respiratory system plays the main role in carry out the system’s primary function?
a.) trachea
b.)pharynx
c.)alveoli
d.)nose

Does masterbation affect height growth or loss of growth hormone?

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

Modern computers can store about as much information as the human brain. true false its false i took the test