Table of contents

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1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

3. Energy & Cell Processes

Fermentation & Anaerobic Respiration

Anatomy & Physiology

3. Energy & Cell Processes

Fermentation & Anaerobic Respiration

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Multiple Choice

Muscle tissues make lactate from pyruvate to do which of the following?

Speed up the rate of glycolysis

Get rid of pyruvate produced by glycolysis

Utilize the energy in pyruvate

Produce additional CO₂

Regenerate NAD⁺

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Verified step by step guidance

Understand that glycolysis is a process that breaks down glucose into pyruvate, producing ATP and NADH in the process.

Recognize that during anaerobic conditions (lack of oxygen), the electron transport chain cannot function effectively, leading to a buildup of NADH.

Realize that for glycolysis to continue, NAD+ must be regenerated from NADH, as NAD+ is a necessary cofactor for glycolysis.

Identify that converting pyruvate to lactate is a way to regenerate NAD+ from NADH, allowing glycolysis to continue producing ATP even in the absence of oxygen.

Conclude that the primary reason muscle tissues convert pyruvate to lactate is to regenerate NAD+, ensuring the continuation of ATP production through glycolysis under anaerobic conditions.