(D664) Section 1 and 2 WGU
2026 Exam All Answers and
Illustrations Given
neuroscience - 🧠 ANSWER ✔✔the study of the brain and nervous system
cognition - 🧠 ANSWER ✔✔thinking activities such as remembering,
understanding, problem-solving, and decision-making, including how
people get, use, and store information in their minds.
,Cognition is about how we take in, process, remember, and use
information—like learning, thinking, or solving problems.
neurons - 🧠 ANSWER ✔✔tiny cells in the brain that work together like an
extensive communication network
neurons work together like a complex communication network
neurodevelopment - 🧠 ANSWER ✔✔plays a crucial role in acquiring new
knowledge, honing cognitive skills, and adapting to the challenges of formal
education.
Neurodevelopment is how the brain grows and changes.
Neurodevelopment is essential to learning new things, improving thinking,
and handling school challenges.
myelination - 🧠 ANSWER ✔✔When kids become older, their brains go
through a process called myelination, which makes pathways stronger, and
one known as pruning, which gets rid of pathways that are not needed
, brain development timeline - 🧠 ANSWER ✔✔prenatal- formation of brain
cells begins in the womb
birth- n/a
newborn- the brain begins a rapid period of growth
early childhood- pruning begins and myelination continues
adolescence- brain development continues, especially in the frontal lobe
adulthood- brain development begins to slow down
brain stem - 🧠 ANSWER ✔✔part of the brain that connects to the spinal
cord; oversees important jobs like keeping the heart beating regularly,
controlling breathing, managing blood flow, and controlling automatic
actions like sneezing and swallowing
which controls basic functions like breathing and heart rate
limbic system - 🧠 ANSWER ✔✔deep in the brain, it is like an emotional
control center, helping handle feelings like happiness, fear, and sadness
cerebellum - 🧠 ANSWER ✔✔located at the back of the head, the "little
brain" helps control voluntary muscle movements, posture, and balance
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3