Each Lung Is Covered by a Two-Layered Sac

question 12

Multiple Choice

Each lung is covered by a two-layered sac.What is the correct term for this sac?

• A)Bronchus
• B)Bronchiole
• C)Alveoli
• D)Pleura

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Definitions:

Beta Particles

High-energy, high-speed electrons or positrons emitted by certain types of radioactive nuclei such as the decay of carbon-14.

Gamma Rays

Electromagnetic radiation of the highest energy and shortest wavelength in the electromagnetic spectrum, resulting from radioactive decay or nuclear reactions.

Alpha Particles

Alpha particles are a type of ionizing radiation ejected from the nuclei of some radioactive atoms, consisting of two protons and two neutrons.

Cell's Organelles

Specialized structures within a cell that perform specific tasks, such as energy production, protein synthesis, and processing of genetic information.