Match Each Organ System with Its Description

question 66

Multiple Choice

Match each organ system with its description.
-protects and supports softer body parts; produces blood cells

• A)circulatory
• B)urinary
• C)digestive
• D)nervous
• E)integumentary
• F)reproductive
• G)respiratory
• H)skeletal
• I)endocrine

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Definitions:

Potassium Channels

Pores in cell membranes that allow potassium ions to pass through, regulating cell function.

Sodium Channels

Protein-based channels found in cell membranes that allow sodium ions to flow in and out, critical for generating and transmitting electrical signals.

Membrane Potential

The electrical potential difference across a cell's plasma membrane, crucial for the conduction of impulses in muscle and nerve cells.

Channels

Structures that form pores in the membranes of cells and organelles, allowing the selective passage of ions or molecules across the membrane and thus contributing to vital physiological processes.