I think that 6 is B, 7 is C, and 8 is also B
Answer:
The Retina
Explanation:
The photoreceptors lie at the back of the retina
Circulatory system because, movement causes circulation and movement is only possible by our muscles.
The binomial nomenclature system<span> combines </span>two names<span> into one to give all species unique </span>scientific names<span>. The first </span>part<span> of a </span>scientific name<span> is called the genus. The second </span>part<span> of a species </span>name<span> is the specific epithet.</span>
