Since the 1950s, Life Expectancy Has Improved in Virtually All

question 67

True/False

Since the 1950s, life expectancy has improved in virtually all nations of the world, including the low- and middle-income nations as well as the high-income nations.

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Definitions:

Brain

The brain is the central organ of the human nervous system, located in the head, responsible for processing sensory information, controlling movement, and facilitating cognitive functions.

Synaptic Cleft

Small gap between presynaptic and postsynaptic cells of a synapse.

Presynaptic Membrane

The membrane of a nerve terminal that faces the receiving (postsynaptic) cell and is where neurotransmitters are released.

Calcium Ions

Charged particles of calcium that play crucial roles in biological processes such as muscle contraction and neurotransmitter release.