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SCN1111 – Blood Exam Questions and Answers 100% Solved | Graded A+

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SCN1111 – Blood Exam Questions and Answers 100% Solved | Graded A+ Transport function of blood - · O2 from lungs & nutrients from the digestive tract ⇒ body cells · Metabolic waste ⇒ sites of elimination e.g. CO2 to lungs · Hormones ⇒ target organs. Regulation function of blood - M...

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  • November 2, 2024
  • 10
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • SCN1111
  • SCN1111
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NinjaNerd
©NINJANERD 2024/2025. YEAR PUBLISHED 2024.
SCN1111 – Blood Exam Questions and

Answers 100% Solved | Graded A+


Transport function of blood - ✔✔· O2 from lungs & nutrients from the

digestive tract ⇒ body cells

· Metabolic waste ⇒ sites of elimination e.g. CO2 to lungs

· Hormones ⇒ target organs.

Regulation function of blood - ✔✔Maintains body temperature - heat is

absorbed & distributed around body and to surface of the skin.



Maintains pH in body tissues - blood protein & other bloodborne solutes act

as buffers to abrupt or excessive changes in blood pH.



Maintains fluid volume in the circulatory system - blood proteins prevent

excessive fluid loss from the bloodstream into the tissue spaces.

- As a result, the fluid volume in the blood vessels remains ample to

support efficient blood circulation to all body parts.

, ©NINJANERD 2024/2025. YEAR PUBLISHED 2024.
Protective function of blood? - ✔✔· Prevent Blood Loss (protein & platelets

used for clotting)

· Prevent infection (carries antibodies & leukocytes)

Describe the physical characteristics of whole blood. - ✔✔· Specialised

connective tissue formed in red bone marrow.

· Stick, opaque and metallic tasting.

· Colour: Oxygen-rich blood: scarlet & oxygen-poor blood: deep red.

Describe the composition and physical characteristics of whole blood. -

✔✔· Plasma: non-living

· Formed elements: living components. 2 parts: [<1%] Buffy coat:

Leukocytes & Platelets & [45%] Erythrocytes: Red blood.

Composition & functions of plasma. - ✔✔· Specialised connective tissue

formed red bone marrow.

· Function: immunity, blood clotting, maintaining blood pressure, blood

volume, and pH balance in the body.

· Composition: 90% water, proteins (Albumin & globulins), clotting factors,

non-proteins, nutrients, electrolytes, gases & other (enzymes, antigens,

antibodies, hormones)

Describe the structure of erythrocytes - ✔✔· Biconcave shape

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