There are approximately 480 million alveoli present in human lungs. About 70% of the area of each alveolus is wrapped in capillaries.
These factors make the alveoli a perfect location for

1. which of the following is correct regarding opiates/opioids: a. they all have a natural component as a starting pointb. they have low addiction possibilitiesc. methadone binds to some of the same receptorsd. a and care correcte. all are correct

What part of the brain is highlighted in the diagram below?

Why did mendel use pea plants in his experiments? a. they have no alleles. b. they are haploid organisms. c. they reproduce quickly. d. they are all male.