Which feature of the lung cell allows oxygen to pass through quickly? choose one answer. a: it is thin b: it has a large nucleus c: it has many mitochondria

25. what does meiosis create? haploids or diploid? somatic cells or gametes?

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

Describe two recent or ongoing space missions.