Question

Which series best illustrates the pathway of blood flow in a closed circulatory system?

A. Heart, veins, arteries, capillaries
B. Heart, veins, capillaries, arteries
C. Heart, arteries, veins, capillaries
D. Heart, arteries, capillaries, veins

Answer 1

\(\bf{ Heart \rightarrow Ateries \rightarrow Capillaries \rightarrow Veins}\)

Answer 2

awesome thank you.

Answer 3

In the context of vision, the blind spot is

A. an area of the retina where rods and cones are concentrated.
B. a nontransparent areas on the cornea.
C. a nontransparent area on the lens.
D. an area of the retina where there are no rods or cones.

Answer 4

is D really wrong?

Answer 5

no it's correct

Answer 6

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