The Diaphragm Is Attached to the Inferior, Pointed Tip of the Heart

question 66

Multiple Choice

The diaphragm is attached to the inferior, pointed tip of the heart, called the ________, which points laterally.

• A) base
• B) inferior border
• C) apex
• D) diaphragmatic surface
• E) left border

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Definitions:

Mitochondrion

Double-membraned organelle that produces ATP by aerobic respiration in eukaryotes.

Aerobic Respiration

A metabolic process that uses oxygen to convert glucose or other organic molecules into energy (ATP), carbon dioxide, and water.

Electrons

Negatively charged subatomic particles orbiting the nucleus of an atom.

Citric Acid Cycle

A key metabolic pathway that takes place in the mitochondria, involving the oxidation of acetyl-CoA to carbon dioxide and ATP production, also known as the Krebs cycle.