What Is the Process by Which Molecules Move from a Region

question 11

Multiple Choice

What is the process by which molecules move from a region of higher concentration to one of lower concentration?

• A)Diffusion
• B)Osmosis
• C)Filtration
• D)Solubility

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Definitions:

Stretch Receptors

Sensory receptors that detect stretching within muscles and other tissues, sending signals to the nervous system to inform about movement and position.

Urinary Reflex

The automatic process managing the flow of urine from the bladder, involving signals between the brain and urinary system.

Sphincters

Circular muscles that maintain constriction of a natural body passage or orifice and that relax as required by normal physiological functioning.

Urinary Bladder

A muscular sac in the pelvis that stores urine until it is expelled from the body.