Age Grades (Age Sets) Are Groups of People of Approximately

question 73

Multiple Choice

Age grades (age sets) are groups of people of approximately the same age within tribal societies who __________.

• A) are ritual outsiders
• B) are not yet married
• C) are given specific socio-political functions
• D) share birthday celebrations

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Definitions:

Sarcolemmas

The cell membranes of muscle fibers that enclose the cytoplasm and organelles of muscle cells.

Motor Unit

A single motor neuron and all of the muscle fibers it innervates, working together to produce a contraction.

Neuromuscular Junction

The point of contact between a motor neuron and the muscle fiber it controls, crucial for muscle contraction.

Axon Terminal

The endpoint of a neuron's axon where neurotransmitters are released to send signals to other neurons or muscles.