Reading and Writing

question 117

Multiple Choice

Reading and writing 

• A)must be specifically taught, whereas spoken language is learned through simple exposure. 
• B)is learned through simple exposure, whereas spoken language must be specifically taught to children. 
• C)cannot be localized in the human brain, although spoken language can be localized. 
• D)use the same areas of the brain as spoken language, so cannot be separately localized.

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Definitions:

Sarcoplasmic Reticulum

A network of membrane-enclosed tubules in muscle cells that stores and releases calcium ions, critical for muscle contraction.

Transverse Tubules

These are extensions of the cell membrane that penetrate into the center of skeletal and cardiac muscle cells, facilitating the uniform contraction of the muscle.

Sarcolemma

The thin, plasma membrane that envelopes a muscle cell (fiber), playing a critical role in muscle contraction.

Z Lines

Positions within muscle fibers that mark the boundaries of sarcomeres, playing a critical role in muscle contraction by anchoring actin filaments.