C. The kidneys. The kidneys are designed to filter blood, so when they cannot work, hemodialysis must be done so the body can function.
I believe the answer is Sexual Orientation. That is what I would choose based on how the question is stated.
The female reproductive system produce egg cells and protect and nourish the offspring until birth. The male reproductive system produce and deposit sperm.
Because they are either ignorent and do not understand what they are doing or they do not see theirs lives as wonderful, they are trying to escape something that is going on that they do not want to deal with
Answer:
Human blood is red because of the protein hemoglobin, which contains a red-colored compound called heme that's crucial for carrying oxygen through your bloodstream
Explanation:
RBCs contain hemoglobin , a protein that carries oxygen. Blood gets its bright red color when hemoglobin picks up oxygen in the lungs. As the blood travels through the body, the hemoglobin releases oxygen to the different body parts.