What is the normal pulse rate of a resting person?

Which of the following is not a main characteristic that scientists focus on when determining which kingdom an organism belongs to

Which best describes a benefit of using dna technology in medicine? a) medicine can be produced in mass quantities. b) medicine can be distributed at a reduced cost. c) medicines have fewer side effects. d) medicines are resistant to antibiotics.

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous