C458 (WGU 2026 Version) QUESTIONS
AND ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT!!!
Q: Within which specific endocrine gland do white blood cells mature and
develop the capacity to recognize unique biochemical markers on pathogens?
A: The Thymus Gland. ✔️✔️
Q: Between the integumentary and central nervous systems, which one acts as
the primary physical shield for the body?
A: The Integumentary System. ✔️✔️
Q: Thermoregulation is a collaborative effort; which two systems work
together to maintain a stable internal body temperature?
A: Both the Integumentary and the Central Nervous Systems. ✔️✔️
Q: Which system serves as the main regulatory authority for monitoring and
adjusting blood pressure levels?
A: The Central Nervous System. ✔️✔️
Which body system regulates thirst and hunger? (Integumentary system, central
nervous system, or both)
Central Nervous System
(see Unit 1: Module 1: Nervous System)
,Which body system regulates muscle coordination? (Integumentary system, central
nervous system, or both)
Central Nervous System
(see Unit 1: Module 1: Nervous System)
Muscular System: this muscle moves all bones and controls facial expressions and
eye movements. What is the name of this muscle type? (Striated Muscle, Smooth
Muscle, Cardiac Muscle)
Striated Muscle.
Aka: Skeletal Muscle.
There are straight lines visible on this muscle when viewed under a microscope.
(See Unit 1: Module 1: Muscular System)
Muscular System: this muscle lines the walls of internal organs. What is the name
of this muscle type? (Striated Muscle, Smooth Muscle, Cardiac Muscle)
,Smooth Muscle.
Aka: Visceral Muscle.
Ex: intestines
(See Unit 1: Module 1: Muscular System)
Muscular System: this muscle is a combination of both the striated and smooth
muscles. What is the name of this muscle type? (Striated Muscle, Smooth Muscle,
Cardiac Muscle)
Cardiac Muscle.
Located only in the heart.
(See Unit 1: Module 1: Muscular System)
This body system receives sensory input, sends signals to the brain, regulates
homeostasis, and communicates throughout the body for movement. What is the
name of this body system?
The Nervous System
Aka: the "control center"
See Unit 1: Module 1: Nervous System
There are two types of systems within the nervous system, what is the name of the
system that consists of nerves inside the brain and spinal cord that send signals to
other parts of the body?
, The Central Nervous System
Think: Brain and Spine
See Unit 1: Module 1: Nervous System
There are two types of systems within the nervous system, what is the name of the
system that consists of nerves outside of the brain and spinal cord that send signals
to other parts of the body??
The Peripheral Nervous System
Think: NOT brain and spine.
Ex: eyes, ears, nose, mouth.
See Unit 1: Module 1: Nervous System
This body system works with the cardiovascular system to provide oxygen to cells
and to remove waste products.
The Respiratory System
AND ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT!!!
Q: Within which specific endocrine gland do white blood cells mature and
develop the capacity to recognize unique biochemical markers on pathogens?
A: The Thymus Gland. ✔️✔️
Q: Between the integumentary and central nervous systems, which one acts as
the primary physical shield for the body?
A: The Integumentary System. ✔️✔️
Q: Thermoregulation is a collaborative effort; which two systems work
together to maintain a stable internal body temperature?
A: Both the Integumentary and the Central Nervous Systems. ✔️✔️
Q: Which system serves as the main regulatory authority for monitoring and
adjusting blood pressure levels?
A: The Central Nervous System. ✔️✔️
Which body system regulates thirst and hunger? (Integumentary system, central
nervous system, or both)
Central Nervous System
(see Unit 1: Module 1: Nervous System)
,Which body system regulates muscle coordination? (Integumentary system, central
nervous system, or both)
Central Nervous System
(see Unit 1: Module 1: Nervous System)
Muscular System: this muscle moves all bones and controls facial expressions and
eye movements. What is the name of this muscle type? (Striated Muscle, Smooth
Muscle, Cardiac Muscle)
Striated Muscle.
Aka: Skeletal Muscle.
There are straight lines visible on this muscle when viewed under a microscope.
(See Unit 1: Module 1: Muscular System)
Muscular System: this muscle lines the walls of internal organs. What is the name
of this muscle type? (Striated Muscle, Smooth Muscle, Cardiac Muscle)
,Smooth Muscle.
Aka: Visceral Muscle.
Ex: intestines
(See Unit 1: Module 1: Muscular System)
Muscular System: this muscle is a combination of both the striated and smooth
muscles. What is the name of this muscle type? (Striated Muscle, Smooth Muscle,
Cardiac Muscle)
Cardiac Muscle.
Located only in the heart.
(See Unit 1: Module 1: Muscular System)
This body system receives sensory input, sends signals to the brain, regulates
homeostasis, and communicates throughout the body for movement. What is the
name of this body system?
The Nervous System
Aka: the "control center"
See Unit 1: Module 1: Nervous System
There are two types of systems within the nervous system, what is the name of the
system that consists of nerves inside the brain and spinal cord that send signals to
other parts of the body?
, The Central Nervous System
Think: Brain and Spine
See Unit 1: Module 1: Nervous System
There are two types of systems within the nervous system, what is the name of the
system that consists of nerves outside of the brain and spinal cord that send signals
to other parts of the body??
The Peripheral Nervous System
Think: NOT brain and spine.
Ex: eyes, ears, nose, mouth.
See Unit 1: Module 1: Nervous System
This body system works with the cardiovascular system to provide oxygen to cells
and to remove waste products.
The Respiratory System