Which of these is NOT maintained in a balanced state by the human body? * A. body temperature
B. blood sugar level
C. food intake
D. water balance

Which word can describe a person's gender identity? a) female b) intersexual c) asexual d) androgynous

Why would one lymph node in the neck be swollen and not the other? what causes them to swell?

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.