Answer:
<h2>The answer is option D- Selective breeding.</h2>
Answer:
While doing medical research on the human subject, following limitations are unavoidable:
a). Privacy: The privacy of the subject involved in the research should be maintained.
b). the subject must be allowed to the minimal exposure to risks and it must be tested on animals first to avoid deaths.
c). The risk associated with the physiological and physical well being of the subject must be considered.
d). The subject must be well instructed about all the risk and procedure involved in the research.
Answer:
3
Explanation:
not 100 percent sure but i think so
1.) is circulatory system. An easy way to remember this is, blood circulates throughout the body, CIRCULatory.
2.) Circulatory; resspiratory.
HOpe i could help and this got to you in time! :)