Segmentation Is Different from Peristalsis Because

question 107

Multiple Choice

Segmentation is different from peristalsis because:

• A) segmentation only occurs in the stomach.
• B) it is a type of mechanical digestion.
• C) it does not move food through the digestive tract.
• D) There is no difference between segmentation and peristalsis.

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Definitions:

Motor Neurons

Nerve cells responsible for transmitting signals from the brain and spinal cord to muscles, regulating their movement.

Schwann Cells

A type of glial cell that wraps around nerve fibers in the peripheral nervous system, forming the myelin sheath that aids in the fast conduction of electrical signals.

Afferent Neurons

Nerve cells that carry sensory information from the body's organs and tissues toward the central nervous system.

Reticular Formation

A network of nerve pathways in the brainstem involved in consciousness, the sleep-wake cycle, and filtering sensory information before it reaches higher brain centers.