Question

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

Answer 1

D-
If it loses oxygen it become thinner to circulate through the organism

Answer 2

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