The photo below shows several onion root tip cells undergoing mitosis. 1. 3
2. 4

Which number indicates a cell that is most likely to be in metaphase of
mitosis?

A. 3
B. 1
C. 2
D. 4

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.

a = executive branch; b = judicial branch

to this answer it would be edge enhancement