What is released into the blood stream during exercise?

Once an action plan is in place, it should not be changed.w select the best answer from the choices provided.truefalse

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.

What percent of body heat can be lost through the head