basically it means the connection between 2 bases
A is complementary to U in RNA
T is complementary to A in DNA
U to A
G to C/C to G
In my opinion it is diluted and formed into concentrate and is then divided into proportion.
To be alive an organism must be able to intake nutrients, respirate, grow, and reproduce
6) Vessels maintain blood flow because they: [D. Depend upon body movement], especially veins of the lower extremities.
7) Kidneys regulate water volume in the blood and urine [A.], thereby affecting the volume of blood, which directly relates to pressure and flow.
8) Stronger striated muscle [D.] is a health benefit of exercise which only affects skeletal muscle, not the heart muscle (cardiac) nor blood vessels (smooth).
9) [D.] Drinking liquids immediately before a blood pressure (BP) reading would be least likely to raise BP artificially. Where as exercise, fear or anxiety, and an improper cuff size could affect the BP measurement.