Which of the following are parts of the reticular activating system?

Lordosis can often be prevented by strengthening core muscles in the abdominals and back. a. true b. false

Which of the following represents a difference between viruses and viroids? a) viruses infect many types of cells, whereas viroids infect only prokaryotic cells.b) viruses have capsids composed of protein, whereas viroids have no capsids.c) viruses have genomes composed of rna, whereas viroids have genomes composed of dna.d) viruses cannot pass through plasmodesmata, whereas viroids can.

Caleb has poor eyesight from cataracts. which drug is caleb most likely abusing