DEV 13 | My Take on Quitting YouTube

Today’s video will teach you five real English words used by native speakers.

5 Vocabulary Words + Timestamps

  1. Cracked up [01:35]

  2. Physiology [03:33]

  3. Preferences [03:44]

  4. Saturated [03:49]

  5. Taxing [04:34]

You learned 5 words from today’s video—Premium members unlock all 25 words from the same video plus the PDF lesson.

Definitions & Example Sentences

1. Cracked up

  • Definition: To laugh uncontrollably or to become mentally unstable or break down emotionally.

  • Example sentences:

    • The comedian's jokes were so hilarious that the audience cracked up.

    • After a long day at work, she finally cracked up and burst into tears.

    • The stress of the exam period caused him to crack up and he had to take some time off.

2. Physiology

  • Definition: The branch of biology that deals with the study of normal functions and mechanisms of living organisms and their parts.

  • Example sentences:

    • He studied physiology in college to understand how the human body works.

    • The physiology of plants is interesting, especially how they use photosynthesis to convert sunlight into energy.

    • The professor explained the physiology behind breathing during the lecture.

3. Preferences

  • Definition: The act or state of favoring or liking one thing more than another.

  • Example sentences:

    • Everyone has their own preferences when it comes to food.

    • Her musical preferences range from classical to hip-hop.

    • The survey asked participants about their preferences for various types of entertainment.

4. Saturated

  • Definition: Filled to capacity, unable to hold or contain more.

  • Example sentences:

    • The sponge was saturated with water and couldn't absorb any more.

    • The market was saturated with similar products, making it hard for new companies to compete.

    • After a heavy rainfall, the ground became saturated and started to flood.

5. Taxing

  • Definition: Physically or mentally demanding, requiring a lot of effort or energy.

  • Example sentences:

    • Her job as a nurse is very taxing, both physically and emotionally.

    • The long, uphill hike was quite taxing, but the view from the top was worth it.

    • Running a marathon is a taxing challenge that requires months of training.

📚 What should I study today?

You'll never ask that question again.

The 365-Day English Fluency System gives you one clear lesson every day. No planning. No guessing. No catching up.

Just open today's lesson and begin.

👉 Start your daily English path:
365 Day English Fluency System