WEEK 3 RESOURCES
THE NERVOUS SYSTEM
https://www.youtube.com/watch?v=qPix_X-9t7E
https://www.youtube.com/watch?v=OZG8M_ldA1M
https://www.youtube.com/watch?v=VitFvNvRIIY
AUTONOMIC NERVOUS SYSTEM
https://www.youtube.com/watch?v=71pCilo8k4M
THE SENSORY SYSTEM
https://www.youtube.com/watch?v=TAzTFgPSPiU
THE ENDOCRINE SYSTEM
https://www.youtube.com/watch?v=eWHH9je2zG4
https://www.youtube.com/watch?v=SCV_m91mN-Q
1. Dr. Semmelweis Screams “Wash Those Mitts”:
o
Dr. Ignaz Semmelweis, a Hungarian physician, discovered the importance
of handwashing in preventing infections. He noticed that hand
hygiene significantly reduced the incidence of childbed fever in maternity
wards. Unfortunately, his groundbreaking insights were met with
skepticism by his colleagues.
o
Key Lesson: Proper handwashing is crucial in preventing the spread of
infections.
2. Typhoid Mary and Her Gallbladder:
o
Mary Mallon, infamously known as Typhoid Mary, was an asymptomatic
carrier of typhoid fever. She worked as a cook and unknowingly
transmitted the disease to several people through contaminated food.
Eventually, she had to undergo gallbladder removal to prevent further
spread.
o
Key Lesson: Carriers can unknowingly spread diseases, emphasizing the
importance of identifying and managing carriers.
3. Flora’s Vaginal Itch:
o
Flora, a fictional character, suffered from intense vaginal itching. Her
condition was caused by an overgrowth of Candida albicans, a yeast.
This story highlights the significance of maintaining a balanced vaginal
microbiota.
o
Key Lesson: Microbiota imbalances can lead to uncomfortable
symptoms.
4. Varicella Zoster and Chickenpox:
o
Varicella zoster virus causes chickenpox. Once infected, the virus
remains dormant in nerve cells. Later in life, it can reactivate,
causing shingles. This dual manifestation underscores the importance of
understanding viral latency.
o
Key Lesson: Viruses can persist silently and resurface later.
5. Salmonella’s Bile Hideout:
o
Salmonella bacteria can hide within bile, the digestive fluid produced by
the liver. This clever strategy allows them to survive and cause
gastrointestinal infections. Understanding bacterial survival mechanisms is
crucial for effective treatment.
o
Key Lesson: Bacteria adapt to their environment to thrive.