HELP PLZZZ 3. What causes a limited amount of blood and oxygen to reach the different parts of the body? A Fatty deposits that clog blood vessels.
B One side of the heart sending blood to the lungs.
C Exercising and doing normal daily activities.
D Eating a well balanced diet.

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.

Sapphron is 60 inches tall and weighs 90 pounds. use the formula below and a calculator to answer the question about her weight. bmi = weight (in pounds) ÷ [height (in inches)]² x 703 which bmi category fits sapphron? a. 25.2, overweight b. 17.5, underweight c. 18.6, appropriate weight

What is one way that cold and flu viruses spread? a. by transfusing contaminated blood b. by inhaling contaminated droplets c. by eating contaminated meat d. by drinking contaminated water