Table of contents

1. Introduction to Biology2h 42m
2. Chemistry3h 37m
3. Water1h 26m
4. Biomolecules2h 23m
5. Cell Components2h 26m
6. The Membrane2h 31m
7. Energy and Metabolism2h 0m
8. Respiration2h 40m
9. Photosynthesis2h 49m
10. Cell Signaling59m
11. Cell Division2h 47m
12. Meiosis2h 0m
13. Mendelian Genetics4h 44m
14. DNA Synthesis2h 27m
15. Gene Expression3h 6m
16. Regulation of Expression3h 31m
17. Viruses37m
- Viruses
  37m
18. Biotechnology2h 58m
19. Genomics17m
- Genomes
  17m
20. Development1h 5m
21. Evolution3h 1m
22. Evolution of Populations3h 53m
23. Speciation1h 37m
24. History of Life on Earth2h 6m
25. Phylogeny2h 31m
26. Prokaryotes4h 59m
27. Protists1h 12m
28. Plants1h 22m
29. Fungi36m
- Fungi
  19m
- Fungi Reproduction
  17m
30. Overview of Animals34m
- Overview of Animals
  34m
31. Invertebrates1h 2m
32. Vertebrates50m
33. Plant Anatomy1h 3m
34. Vascular Plant Transport1h 2m
- Water Potential
  1h 2m
35. Soil37m
- Soil and Nutrients
  20m
- Nitrogen Fixation
  16m
36. Plant Reproduction47m
- Flowers
  33m
- Seeds
  14m
37. Plant Sensation and Response1h 9m
38. Animal Form and Function1h 19m
39. Digestive System1h 10m
- Digestion
  1h 3m
- Blood Sugar Homeostasis
  7m
40. Circulatory System1h 49m
41. Immune System1h 12m
42. Osmoregulation and Excretion50m
- Osmoregulation and Excretion
  50m
43. Endocrine System1h 4m
- Endocrine System
  1h 4m
44. Animal Reproduction1h 2m
- Animal Reproduction
  1h 2m
45. Nervous System1h 55m
- Neurons and Action Potentials
  1h 8m
- Central and Peripheral Nervous System
  46m
46. Sensory Systems46m
- Sensory System
  46m
47. Muscle Systems23m
- Musculoskeletal System
  23m
48. Ecology3h 11m
49. Animal Behavior28m
- Animal Behavior
  28m
50. Population Ecology3h 41m
51. Community Ecology2h 46m
52. Ecosystems2h 36m
53. Conservation Biology24m
- Conservation Biology
  24m

38. Animal Form and Function

Metabolism and Homeostasis

General Biology

38. Animal Form and Function

Metabolism and Homeostasis

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Multiple Choice

Where is most of a healthy person's fat stored?

In skeletal muscle cells

In subcutaneous adipose tissue

In the bloodstream as free fatty acids

In the liver

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Verified step by step guidance

Understand the concept of fat storage in the human body: Fat is primarily stored in specialized cells called adipocytes, which are found in adipose tissue. This tissue acts as an energy reserve and provides insulation and cushioning for the body.

Learn the types of adipose tissue: There are two main types of adipose tissue in the body—subcutaneous adipose tissue (located beneath the skin) and visceral adipose tissue (found around internal organs). Subcutaneous adipose tissue is the primary site for fat storage in healthy individuals.

Eliminate incorrect options: Fat is not stored in skeletal muscle cells, as these cells primarily function in movement and energy utilization. Similarly, fat is not stored in the bloodstream as free fatty acids, as these are transient molecules used for energy transport. The liver stores glycogen and processes fats but is not the primary site for fat storage.

Focus on the correct answer: Subcutaneous adipose tissue is the main location for fat storage in healthy individuals. It serves as a long-term energy reserve and helps regulate body temperature.

Review the physiological role of subcutaneous adipose tissue: This tissue plays a critical role in energy balance, hormone production, and metabolic regulation, making it the primary storage site for fat in the body.