Diffusion.
diffusion is passive, and the oxygen and carbon dioxide move to the area of lower concentration
Answer: I really don't understand your question but i will answer it my way. To prevent death people need to be healthy and go to the doctors if something is wrong. especially with diseases and cancer.
Explanation:
Is an adoptive father I believe
Some one had the same question as you so here is someone answer.
Answer:
Hemoglobin is the iron-containing protein found in all red blood cells (RBCs) that gives the cells their characteristic red color. Hemoglobin enables RBCs to bind to oxygen in the lungs and carry it to tissues and organs throughout the body.
Explanation:
