IGNOU MBCE 13 SOLVED ASSIGNMENT

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MBCE 13 2025 - English

ASSIGNMENT

HUMAN PHYSIOLOGY

Course Code: MBCE-013

Assignment Code: MBCE-013/TMA/2025

Maximum Marks: 100

Answer all the questions given below.

1. Define thermoregulation and explain its importance in maintaining homeostasis in the human body.

2. Write short notes on the following:

i. Differentiate between the four primary types of tissues: epithelial, connective, muscle, and nervous tissue. Provide examples of each.

ii. Discuss the structure and function of epithelial tissues. How are they classified based on layers and cell shape?

3. What are the main components of a homeostatic control system? Discuss how feedback mechanisms contribute to maintaining homeostasis.

4. Describe the physiological responses involved in thermoregulation during exposure to cold and heat stress.

5.i. Explain the process of gas exchange in the respiratory system. How do oxygen and carbon dioxide diffuse between the lungs and blood?

ii. Discuss the impact of the Bohr effect on oxygen transport in the blood. How does it facilitate oxygen delivery to tissues during exercise?

6. Explain the structure and function of the heart as a blood pump. Include a description of its chambers, valves, and layers.

7. Discuss the components and significance of the cardiac conduction system, including the roles of the SA node, AV node, and Purkinje fibers.

8. Discuss the process of hematopoiesis and the regulation of blood volume. How is erythropoiesis controlled by erythropoietin?

9. Describe the ABO and Rh blood group systems.

10. Explain the mechanism of blood clotting, detailing the intrinsic, extrinsic, and common pathways, and the role of thrombin and fibrin.

Note: Draw the figures/flowcharts/tables wherever required.

MBCE 013 (January 2026 - July 2026) - ENGLISH

ASSIGNMENT
HUMAN PHYSIOLOGY

Course Code: MBCE-013
Assignment Code: MBCE-013/TMA/2026
Maximum Marks: 100

Answer all the questions given below.

1. A) Define tissue and classify the four primary types of tissues found in the human body.

B) Explain intercellular junctions with suitable examples.

2. A) What is homeostasis? Describe the components of a homeostatic control system.

B) Discuss how feedback mechanisms maintain body temperature during exposure to extreme environmental conditions.

3. A) Describe the structure and functions of the human respiratory system.

B) Explain how changes in altitude affect oxygen transport and respiratory efficiency in humans.

4. A) Describe the structure and functions of the human digestive system. 

B) Explain the role of digestive enzymes in the digestion and absorption of carbohydrates, proteins, and lipids.  

5. A) Describe the structure of the kidney and the nephron. 

B) Explain how abnormalities in the cardiac conduction system can lead to arrhythmias, with reference to ECG findings. 

6. A) Explain the role of kidneys in maintaining water and electrolyte balance. 

B) Discuss the physiological basis of acidosis and alkalosis and the role of kidneys in their regulation. 

7. A) Describe the structure of the human heart and explain its role as a blood pump.

B) Explain erythropoiesis and its association with clinical conditions such as anemia. 

8. A) Describe the intrinsic and extrinsic pathways of blood coagulation. 

B) Discuss the clinical significance of cerebrospinal fluid (CSF) analysis in the diagnosis of neurological disorders. 

9. A) Describe the structural and functional organization of the nervous system. 

B) Explain how alterations in ion channel function affect nerve impulse transmission in neurological disorders. 

10. A) Define synapse and describe the mechanism of synaptic transmission.

B) Explain the biochemical basis of muscle fatigue during prolonged physical activity.

Note: Draw the figures/flowcharts/tables wherever required.

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Course Name	Master of Science (Biochemistry)
Course Code	MSCBCH
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Language	English

 

 

 

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