20 points need ASAP will mark brainliest Select any one human body system. Research and write about the structures and functions of the selected body system. Also discuss diseases related to the body system.

Describe how the above factors create barriers for maintaining your mental and emotional health what barriers do they create

Why would a person’s self-esteem affect his or her health?

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.