In the Story; “The Bizarre Quest for Artificial Blood” By Jacqueline Adams What are two central ideas of the text?

A There is a widespread need for an artificial blood substitute.

B Developing safe and reliable alternatives for human blood is challenging.

C An essential function of blood is to transport oxygen throughout the body.

D Scientists are struggling to evaluate the effectiveness of using artificial blood for transfusions.

E A hemoglobin-based oxygen carrier has been approved to treat patients needing blood transfusions in South Africa.

F The lack of advancement in medical technology prevents doctors from treating patients in need when blood transfusions are not possible.