Describe 3 ways the red blood cell is adadpted to its function ?

whats the name of muscles that have opposite effects?

In biology, adaptation refers to any structural modification or behavior that will make it easy for an organism to survive in its environment. There are three basic types of adaptation, these are functional, structural and behavioral adaptation. Functional adaptation refers to any adaptation that will make an organism to survive in its environment based on the functions of its body parts. In the question given above, flounder was able to avoid been eaten by predators because its color and shape make it possible for it to camouflage when predators are around.

Explanation:

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.