The Law of Conservation of Matter Tells Us That Matter

question 33

Multiple Choice

The law of conservation of matter tells us that matter

• A)can never be reused.
• B)needs to be conserved or it will not be available for future generations.
• C)can be destroyed.
• D)can be conserved by some adaptive strategies.
• E)is used repeatedly.

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Definitions:

Diastolic Pressure

The lower reading in blood pressure measurements; it reflects the pressure in the arteries when the heart rests between beats.

Venous Return

The flow of deoxygenated blood back to the heart via the veins, crucial for maintaining blood circulation throughout the body.

Respiratory Movements

The actions of the respiratory system involved in the inhalation and exhalation of air, facilitating gas exchange between the atmosphere and the body's cells.

Valves

Structures that exist within various types of vessels, including veins and the heart, which maintain the direction of blood flow by opening and closing depending on the pressure gradient.