The Vessels of the Lymphatic System Have Valves

question 10

True/False

The vessels of the lymphatic system have valves.

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Definitions:

Dendrites

The branched projections of a neuron that receive electrochemical signals from other neurons and conduct them toward the cell body.

Cell Wall

A rigid layer lying outside the plasma membrane of the cells of plants, fungi, and bacteria, providing structure and protection.

Nucleolus

A small, dense structure found within the nucleus of cells, involved in the production of ribosomes and ribosomal RNA.

Actin

A globular structural protein that forms microfilaments, part of a cell's cytoskeleton, and is involved in various types of cell movement and muscle contraction.