Trace the pathway of inhaled air till it reaches the alveoli​

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. chinchilla x albino a) all chinchilla b) 1/2 chinchilla, 1/2 albino c) 3/4 chinchilla, 1/4 albino

What is the correct order of cell division? include what happens in each phase

What does the number 18.9984 represent in the image?