List Two Major Factors That Promote the Return of Venous

question 73

Essay

List two major factors that promote the return of venous blood to the heart.Explain how each facilitates venous return.

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Definitions:

Resonance Forms

Different structures of a molecule that depict the delocalization of electrons within the molecule, explaining its stability.

Cycloheptatrienyl Cation

A positively charged aromatic species, also known as the tropylium ion, with a seven-carbon ring structure and three double bonds providing aromatic stability.

π Network

A collection of π bonds (p-orbital overlap contributing to bonding in molecules) interconnected in a molecule, fundamental to the structure and stability of aromatic compounds.

Acidic H Atoms

Hydrogen atoms in a molecule that can be donated as protons during an acid-base reaction.