Meiosis is a key process in the sexual life cycle of eukaryotes and is essential for the survival of eukaryotic organisms. In the process of
meiosis, crossing over and independent assortment are events that
occur that allow the genes on the homologous chromosomes to be
randomized. These events result in greater genetic variation than
asexual reproduction or mitosis because it-

this would be a math

answer;

-vessels in the chest

the diagnosis of angina pectoris literally means "vessels in the chest"

explanation;

-angina pectoris is the medical term for chest pain or discomfort due to coronary heart disease.it is the chest pain due to an inadequate supply of oxygen to the heart muscle. the pain is typically severe and crushing, and it is characterized by a feeling of pressure and suffocation just behind the breastbone.

agina pectoris is caused by reduced blood flow to your heart muscle. the blood carries oxygen, which the heart muscle needs to survive. when the heart muscle isn't getting enough oxygen, it causes a condition called ischemia