Bacteria on a Splinter in Your Shoulder Would Be Filtered

question 6

Multiple Choice

Bacteria on a splinter in your shoulder would be filtered by lymph nodes in the ________ region.

• A)axillary
• B)inguinal
• C)thoracic
• D)supratrochlear
• E)cervical

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Definitions:

Microfilament

Cytoskeletal element composed of actin subunits; reinforces cell membranes; functions in movement and muscle contraction.

Muscle Contraction

The process by which muscle fibers produce force and tension through the sliding of actin and myosin filaments, powered by ATP.

Nuclear Envelope

The double membrane structure that surrounds the nucleus in eukaryotic cells, controlling the flow of substances in and out of the nucleus.

Lipid Bilayers

Thin polar membrane made of two layers of lipid molecules. These layers are fundamental in the structure of cell membranes, providing barriers and pathways for substances.