It Has Been Thought That Many Diseases Now Associated with Aging

question 3

Multiple Choice

It has been thought that many diseases now associated with aging are related to malfunctioning mitochondria. Why are the mitochondria so important to all cells?

• A) They produce energy in the form of ATP.
• B) They carry out anaerobic respiration.
• C) They are the source of all human disease.
• D) They are extremely large.
• E) They are located only in vital organs.

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Definitions:

Air Brakes

Pneumatically actuated brakes used on most heavy-duty trucks. These brakes use air pressure to brake the vehicle by means of diaphragms, levers, S-cams, wedges, and rotor assemblies.

Safety Pressure Relief Valve

A term used to describe the pressure relief valve used on truck air brake systems more often known as a pop-off valve. Most pop-off valves are set to trip at 150 psi and are located on the supply (wet) tank in the system.

Truck Safety

Measures and practices implemented to ensure the safe operation of trucks, including equipment standards and driving regulations.

Pop-Off Valve

A safety device designed to release pressure from a system once it exceeds a predetermined level to prevent damage.