B and O because of the antibodies in the blood O has none so it's a universal donor and B because it's the type of the blood
Answer:what are the answers i dont see them
Explanation:i litirally can not answer it without em
The four phases of the menstrual cycle are menstruation, the follicular phase, ovulation, and the luteal phase. Common menstrual problems include heavy or painful periods and premenstrual syndrome (PMS). Knowing when in the menstrual cycle a woman is most likely to conceive can increase the chance of pregnancy.
Answer: DNA and RNA
Explanation:
because we contain dna and rna.
