Talk About: -Petrarch's Sonnets

question 37

Essay

Talk about:
-Petrarch's sonnets

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Definitions:

Cardiac Muscle Fibers

Cardiac muscle fibers are specialized muscle cells in the heart that contract rhythmically to pump blood throughout the body; they are striated and interconnected, facilitating coordinated heart contractions.

Intercalated Discs

Structures in cardiac muscle cells that facilitate the synchronized contraction of the heart by allowing the rapid passage of ions between cells.

Striations

The repeated ridges found in skeletal and cardiac muscle cells due to the organized arrangement of actin and myosin filaments, giving them a striped appearance.

Desmosomes

A type of cell junction made of protein that connects the cytoskeletons of adjacent cells in a tissue.