2. How many alveoli exist inside each lung? a. Millions
b. Hundreds of millions
c. Thousands
d. Hundreds

What is the term for bone marrow tumor? osteoma myeloma osteocele osteomyoma

Which is the best way to handle your own grief after a loss? which is the best way to handle your own grief after a loss? avoid your friends for a while. stop thinking about the person who died. avoid crying in front of others. allow yourself time to grieve.

Why do rna viruses appear to have higher rates of mutation? a) rna nucleotides are more unstable than dna nucleotides.b) replication of their genomes does not involve proofreading.c) rna viruses can incorporate a variety of nonstandard bases.d) rna viruses are more sensitive to mutagens.