How does the chemical make-up of blood change as it circulates through an organism? A- it becomes thicker

B- it changes color

C- it slows down and speeds up

D- it gains and loses oxygen and nutrients

E- it becomes thinner so it can squeeze through capillaries

Please, please help me! I need it ASAP

D I believe, as it goes through different organs, they take oxygen and nutrients to continue functioning

answer; /// i believe that the correct answer is; ///a combination of the birth and death

a. seed plant structure. 1. the three main plant organs are roots, stems, and leaves. a fourth kind of tissue, meristematic tissue, is responsible for plant growth. meristematic tissue is the only plant tissue that produces new cells by mitosis. plants can lose water out of their leaves as they exchange gases with the air

explanation: