Initially,the Nutrients Absorbed by the Trophoblast Easily Reach the Inner

question 140

Multiple Choice

Initially,the nutrients absorbed by the trophoblast easily reach the inner cell mass by simple

• A)osmosis.
• B)diffusion.
• C)peristalsis.
• D)ciliary action.
• E)convection.

---

Definitions:

Nervous System

The network of nerve cells and fibers that transmits nerve impulses between parts of the body, coordinating bodily functions and responses.

A-delta Fibres

Myelinated nerve fibers primarily involved in the transmission of sharp, acute pain signals to the brain.

C fibres

Slow-conducting nerve fibers involved in transmitting thermal, mechanical, and chemical pain stimuli to the central nervous system.

Periaqueductal Fibres

These are neural pathways located in the periaqueductal gray matter of the brainstem, critical in modulating pain and defensive behavior.