How are meiosis and mitosis different?

Meiosis is a type of cell division that results in the formation of four daughter cells each with half the number of chromosomes as the parent cell. on the other hand Mitosis is the type of cell division that results in the formation of two daughter cells each with the same number and kind of chromosomes as the parent cell. hope this helps a bit

Explanation:

i am going to guess that it is co2.

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.