Question

Red blood cells are shaped like smooth discs that allow them to flow easily through arteries and veins. What does this illustrate?

Question 1 options:
A)
homeostasis
B)
structure and function relationship
C)
chemosynthesis

Answer 1

It is B when i did my test i got 100% on the test

Answer 2

Answer: B) Structure and function relationship

Red blood cells are round, with a flat indented center without a hole. It carries oxygen and remove carbon dioxide from the body.

Red blood cells are disc shaped because they have more membrane than needed to hold the volume, so it is like a balloon that is flattened. This makes them more flexible and allow them to squeeze more easily through the capillaries. Therefore, it shows structural and functional relationship.