Currently,the United Nations Has ________ Member States

question 44

Multiple Choice

Currently,the United Nations has ________ member states.

• A)40
• B)192
• C)350
• D)435

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Definitions:

Veins

Blood vessels that carry blood towards the heart, typically carrying deoxygenated blood, except for the pulmonary and umbilical veins.

Sympathetic Nerve Fibers

Part of the autonomic nervous system that prepares the body for stress-related activities.

Tunica Media

The middle layer of the wall of a blood vessel or hollow organ, composed mostly of smooth muscle and elastic fibers, responsible for regulating the diameter of the vessel.

Blood Vessel Walls

The structures that form the boundaries of blood vessels, consisting of layers including the endothelium, smooth muscle, and connective tissue.