When You Blow Some Air Above the Upper Face of a Paper

question 27

Multiple Choice

When you blow some air above the upper face of a paper strip,the paper rises.This occurs because

• A) the air above the upper face of the paper moves faster, which makes the pressure higher than at the lower face.
• B) the air above the upper face of the paper moves faster, which makes the pressure lower than at the lower face.
• C) the air above the upper face of the paper moves faster but the pressure remains constant.
• D) the air above the upper face of the paper moves slower, which makes the pressure higher than at the lower face.
• E) the air above the upper face of the paper moves slower, which makes the pressure lower than at the lower face.

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Definitions:

Z Disk

A structure within a muscle's sarcomere that serves as the attachment point for thin filaments, critical for muscle contraction.

Actin Myofilament

Actin myofilaments are the thin filaments in muscle cells that, along with myosin, play a crucial role in muscle contraction.

Myosin Myofilament

A type of protein filament in muscle cells responsible for the contractile properties of muscles.

Testicular Atrophy

The shrinkage of the testicles, which can result from conditions affecting hormone levels, blood supply, or direct injury to the testes, leading to reduced fertility or hormonal imbalances.