NAS 2 Challenge Exam Complete Guide (2025/2026 Update) Questions and Verified Answers| 100% Correct Solutions
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NAS 2 Challenge Exam Complete Guide (2025/2026 Update) Questions and Verified Answers| 100% Correct Solutions
NAS 2 Challenge Exam Complete Guide
(2023/2024 Update) Questions and Verified
Answers| 100% Correct Solutions
Q: 11 organ systems of the human body
Answer:
integumentary, skeletal, m nervous, endocrine, cardiovascular, lymphatic, respiratory, digestive,
urinary, reproductive
Q: integumentary system
Answer:
Consists of the skin, mucous membranes, hair, and nail
Q: skeletal system
Answer:
Protects and supports body organs and provides a framework the muscles use to support
movement. Made up of bones and joints
Q: Muscular System
Answer:
Consists of skeletal muscles, tendons that connect muscles to bones, and ligaments that attach
bones together to form joint
Q: nervous system
Answer:
the body's speedy, electrochemical communication network, consisting of all the nerve cells of
the peripheral and central nervous systems
Q: endocrine system
Answer:
the body's "slow" chemical communication system; a set of glands that secrete hormones into the
bloodstream
Q: cardiovascular system
Answer:
The transport system of the body responsible for car- rying oxygen and nutrients to the body and
carrying away carbon dioxide and other wastes; composed of the heart, blood vessels, and blood.
Q: lymphatic system
Answer:
Composed of a network of vessels, ducts, nodes, and organs. Provides defense against infection.
Q: respiratory system
Answer:
Body system consisting of the lungs and air passages; enables breathing, supplying the body with
oxygen and eliminating carbon dioxide wastes.
Q: digestive system
Answer:
Breaks down food into absorbable units that enter the blood for distribution to body cells.
Q: urinary system
Answer:
Eliminates nitrogenous wastes from the body. Regulates water, electrolyte and acid-base balance
of the blood.
Q: reproductive system
Answer:
Reproduce offspring- produce male sex cells (sperm)
and female sex cells (oocytes)
Q: potential energy
Answer:
Energy that is stored and held in readiness
Q: kinetic energy
Answer:
the energy an object has due to its motion
Q: Atom structure
Answer:
protons, neutrons, electrons
Q: Protons
Answer:
Positively charged particles
Q: Neutrons
Answer:
the particles of the nucleus that have no charge
Q: Electrons
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This study guide is clear, well-organized, and covers all the essential topics. The explanations are concise, making complex concepts easier to understand. It could benefit from more practice questions, but overall, it's a great resource for efficient studying. Highly recommend!
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