Singular Possesive Plural Possesive

Question 1

you may know that a (body’s) normal blood pressure is 120/80.

Answer 1

singular possessive noun

Question 2

these numbers measure blood pressure during The (heart’s) two main phases.

Answer 2

singular possessive noun

Question 3

The pumping phase is the first of the two (numbers.)

Answer 3

plural noun

Question 4

The bottom face shows the blood (vessels’) pressure during the resting phase (80).

Answer 4

plural possessive noun

Question 5

blood pressure is the amount of pressure placed on blood (vessels’) walls when blood flows through them.

Answer 5

plural possessive