So you know what to do and to keep yourself and others protected.
C. The object would be white. White is like the mother of colors, and besides, black wouldn't let you see anything. Blue and yellow are NOT relevant.
Answer:
Left ventricle
Explanation:
I think the left ventricle is propably superior and broad border of the simply because it pumps blood and other usefull products from the heart to furthest parts of the body
The Golgi apparatus.
Hope this helps!