According to the World Health Organization,as Many as __________ Million

question 72

Multiple Choice

According to the World Health Organization,as many as __________ million people in the Subsaharan realm are infected with HIV.

• A)ten
• B)twenty
• C)thirty
• D)forty
• E)fifty

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Definitions:

External Jugular Vein

A vein located on each side of the neck that drains blood from the face, neck, and scalp back to the heart.

Superior Vena Cava

A large vein that carries deoxygenated blood from the upper half of the body into the heart's right atrium.

Venules

Small blood vessels that allow deoxygenated blood to return from the capillary beds to the larger blood veins.

Capillary Networks

A complex, interconnected web of capillaries that facilitates efficient exchange of oxygen, nutrients, and waste products between blood and tissues.