Answer:
I think its organic material from plants and animals
Explanation
Edge 2020
<span>Im pretty sure the answer is B) Pupil, lens, retina, optic nerve
hope this helps :)</span>
Answer:
When a muscle contracts, the actin is pulled along myosin toward the center of the sarcomere until the actin and myosin filaments are completely overlapped.
Explanation:
Is this the answer you're looking for?
A. prevent cross-contamination.