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PN 1003 Alterations to the Body Session 2 2025/2026 Exam Questions and Answers | 100% Solved

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PN 1003 Alterations to the Body Session 2 2025/2026 Exam Questions and Answers | 100% Solved Body's Defences -

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PN 1003 Alterations to the Body Session
2 2025/2026 Exam Questions and
Answers | 100% Solved



Body's Defences - 🧠 ANSWER ✔✔Barrier Defenses


Cellular Defenses

Cellular Defenses

Inflammatory Response

Immune Response


barrier defenses - 🧠 ANSWER ✔✔Skin :Protects the internal tissues and organs of

the body




Mucous Membranes: Line the areas of the body that are exposed to external

influences, but do not have skin protection




Gastric Acid:Secreted by the stomach in response to many stimuli


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Major Histocompatibility Complex:

Distinguishes between self-cells and foreign cells


Types of cellular Defenses - 🧠 ANSWER ✔✔Mononuclear Phagocyte System

(MPS)

Composed of:

Thymus gland

Lymphatic tissue

Leukocytes

Lymphocytes

Numerous chemical mediators


lymphoid tissues - 🧠 ANSWER ✔✔Lymph Nodes


Spleen

Thymus gland

Bone Marrow

Lymphoid tissue throughout the respiratory and GI tracks


2
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STATEMENT. ALL RIGHTS RESERVED

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