Which of these is an example of the human body maintaining homeostasis? A. organization of tissues into organs

B. reproduction of a species to continue existence

C. emergence of an evolutionary adaptation

D. red blood cells delivering oxygen

D. Red blood cells delivering oxygen

Explanation:

The human body requires a certain amount of oxygen to live, too much is toxic and too little you pass out and die. Homeostasis is all about maintaining balance and oxygen delivery is one of the processes that needs to remain balanced.

what are the choices?

the national environmental policy act (nepa) is a united states environmental law that promotes the enhancement of the environment and established the president's council on environmental quality (ceq). the law was enacted on january 1, 1970. to date, more than 100 nations around the world have enacted national environmental policies modeled after nepa.