Im pretty sure the answer is c.
let me know if its correct
Human red blood cells are formed mainly in the bone marrow and are believed to have an average life span of approximately 120 days<span>.</span>
Answer:
ITS the first one
Explanation:
check again plz I don't want to give you the wrong answer
In humans, oxygen is delivered to the cells of the body by the circulatory system.
Hope this helps !
Photon
Rain forests are the ones with the warm and wet climates. It can be considered something like the Amazon Rain forest.