Answer:
B. left atrium and C. left ventricle
<span> A chromatid is one half of a replicated chromosome, whereas a chromosome consists of DNA wrapped around proteins in a highly organized manner. </span>
It is known as the Cell Membrane. It comprises of a lipid bilayer with installed proteins. The essential capacity of the cell film is to shield the cell from its environment. The cell layer controls the development of substances all through cells and organelles. Along these lines, it is specifically porous to particles and natural atoms.
B you just got to read it right an that’s the answer to your question
