C is the answer
:) for your question (im writing extra cause answer is too small)
O type blood contains both A and B antibodies.
It will become a theory after repeated experimentation
Answer:
The Excretory System, The Reproductive System and The Endocrine System.
Explanation:
The Excretory System includes your bladder, uterus, and some of your organs. It is also called the "Urinary System". The Reproductive System includes your birth canal. This system helps to reproduce the body to have babies. The Endocrine System includes your hormones. It helps the body to depend on growth development or mood.
I hope this answers your question! :)
