Many of the Outer Cells of the Zygote Become the

question 1

Multiple Choice

Many of the outer cells of the zygote become the

• A) fetus.
• B) embryo.
• C) placenta.
• D) brainstem.

---

Definitions:

Synaptic Vesicles

Membrane-bound sacs in neurons that store neurotransmitters, which are released into the synaptic cleft to transmit neural signals to another neuron.

Synapses

The junctions between neurons through which nerve impulses pass, enabling communication within the brain and nervous system.

Specialized Cell

A cell that is uniquely suited to perform a particular function, such as a neuron in the nervous system or a red blood cell in the circulatory system.

Nervous System

The part of an organism that coordinates its actions by transmitting signals to and from different parts of its body.