The area of the world most infected by HIV is .
a. North Africa
b. Latin America
c. North America
d. Australia
e. Sub-Saharan Africa

Sub-saharan Africa

Explanation:

Sub-sahara Africa has the highest recorded HIV/AIDS victims.

Over 70% of HIV/AIDS victims are recorded to be living in this region.

Now, high death rate of HIV/AIDS victims are also recorded in this region due to prevalence of Diseases , poverty and unhygienic way of life.

Sub-saharan Africa

Explanation:

1. what is the relationship between the shape of an enzyme and the reactions they catalyze?

2. how does an enzyme inhibitor work?

separate your answers so i dont get confused : )

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.