Answer:A, C, E .
Explanation:
I just did it on USA testprep
Red blood cells, also known as RBCs, red cells, red blood corpuscles, haematids, erythroid cells or erythrocytes, are the most common type of blood cell and the vertebrate's principal means of delivering oxygen to the body tissues—via blood flow through the circulatory system. RBCs take up oxygen in the lungs, or gills of fish, and release it into tissues while squeezing through the body's capillaries.
this is about red blood cells but what are you asking
it is the answer of buffalo behaviour
A because it’s not wasting more just soreading