The Cellular Theory of Aging Focuses On

question 5

Multiple Choice

The cellular theory of aging focuses on:

• A) deterioration of cells over a lifetime.
• B) the number of chromosomes in a cell.
• C) the size of cells.
• D) the sudden death of cells in one system

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Definitions:

Veins

Blood vessels that carry blood toward the heart, contrasting with arteries, which carry blood away from the heart.

Arterioles

Small branches of arteries leading into capillaries, responsible for regulating blood flow to specific areas of the body by constricting or dilating.

Lymphatic Capillaries

Tiny, thin-walled vessels located in the spaces between cells throughout the body, involved in the absorption of fluid and its movement through the lymphatic system.

Basement Membrane

A thin, dense layer of extracellular matrix that separates epithelial or endothelial cells from the underlying connective tissue, providing support and anchorage.