The answer is A!
Ron is showing an invalid experimental placebo in this experiment due to the positive response.
goodluck, :)
Answer:
plasma, red blood cells, white blood cells, and platelets
Explanation:
PLASMA: The main role of plasma is to take nutrients, hormones, and proteins to the parts of the body that need it.
RBC: The main job of red blood cells, is to carry oxygen from the lungs to the body tissues and carbon dioxide as a waste product, away from the tissues and back to the lungs.
WHITE BLOOD CELLS:They flow through your bloodstream to fight viruses, bacteria, and other foreign invaders that threaten your health.
PLATELETS: a component of blood whose function is to react to bleeding from blood vessel injury by clumping, thereby initiating a blood clot.
hope this helped you
please mark as the brainliest...(ㆁωㆁ)
Yes. In nature, some plants and single-celled organisms, such as bacteria, produce genetically identical offspring through a process called asexual reproduction. ... Identical twins have nearly the same genetic makeup as each other, but they are genetically different from either parent
<span>Accurately
describes the scientific theory is to provide a systematic way for obtaining
evidence to support or refute a hypothesis. Correctly describes a scientific
hypothesis it is an educated guess that loses credibility if it is falsifiable and
fact is something that is been observed or experienced by many observers and
agreed to be true.</span>
False it affects everyone and anything. Global warming for example my friend :/