Why should you include weight training as part of your exercise routine? i. to increase muscle mass ii. to increase bone density iii. to increase flexibility
a. only i b. only ii c. i and iii d. i, ii, and iii

The maximum blood pressure in the upper arm of a healthy person is about 120 mmhg. if a vertical tube open to the atmosphere is connected to the vein in the arm of the person, determine how high the blood will rise in the tube. take the density of the blood to be 1040 kg/m3.

Match each nutrition monitoring survey to its description. csfii nfcs nhanes what we eat in america

Which of the following represents a difference between viruses and viroids? a) viruses infect many types of cells, whereas viroids infect only prokaryotic cells.b) viruses have capsids composed of protein, whereas viroids have no capsids.c) viruses have genomes composed of rna, whereas viroids have genomes composed of dna.d) viruses cannot pass through plasmodesmata, whereas viroids can.