Hair Growth Quiz: Anagen, Catagen and Telogen Phases

This hair growth quiz follows a single strand from root to tip. Play 10 interactive questions on follicles in the skin, keratin, the anagen growth phase lasting years, the short catagen transition, the telogen resting phase, growth of about a centimetre a month, normal daily shedding, why eyelashes stay short and how follicles shrink in pattern baldness.

Start Hair Growth Quiz

🎯 Daily Trivia Challenge • 🧠 10 Questions • ⏱️ 150 Seconds

Question 1 / 10 Time: 150s

Root
Where does hair grow from?
Made
What protein is hair made of?
Grow
What is the growth phase called?
Trans
What is the short transition phase called?
Rest
What is the resting phase called?
Rate
About how fast does scalp hair grow?
Shed
Is losing some hairs every day normal?
Lash
Why do eyelashes stay short?
Bald
What happens to follicles in pattern baldness?
Alive
Which part of hair is alive?

Explanations: answer key for all 10 questions

Q1: Where does hair grow from?
Answer: Follicles in the skin
Each strand has a follicle.
Q2: What protein is hair made of?
Answer: Keratin
Nails share it.
Q3: What is the growth phase called?
Answer: Anagen
It can last years.
Q4: What is the short transition phase called?
Answer: Catagen
It lasts a few weeks.
Q5: What is the resting phase called?
Answer: Telogen
The hair then sheds.
Q6: About how fast does scalp hair grow?
Answer: About 1 cm a month
Rates vary by person.
Q7: Is losing some hairs every day normal?
Answer: Yes, dozens a day is normal
Many follicles are resting.
Q8: Why do eyelashes stay short?
Answer: Their growth phase is short
They then fall and regrow.
Q9: What happens to follicles in pattern baldness?
Answer: They shrink
Hairs become finer.
Q10: Which part of hair is alive?
Answer: The root inside the follicle
That is why haircuts do not hurt.

From Root to Tip

Every hair grows from a follicle in the skin and is made of keratin, a tough protein. Only the root inside the follicle is alive, so haircuts do not hurt. Scalp hair grows about 1 cm a month, though rates vary from person to person.

Hair grows in cycles. In the anagen phase, the hair grows, sometimes for years on the scalp. A short catagen transition of a few weeks follows, then the telogen resting phase, after which the hair sheds and a new one starts. Because follicles cycle at different times, losing dozens of hairs a day is normal.

Eyelashes and eyebrows stay short because their growth phase is short. In pattern baldness, follicles shrink over time, producing finer hairs until some stop growing visible hair.

What This Quiz Teaches

Body science fans will enjoy these questions.

Where hair grows from
Which phases exist
How fast it grows
Why lashes stay short
What baldness does

Did You Know?

Cutting hair does not make it grow thicker.
Stress can push hairs into resting.
Hair color comes from melanin.
Hair is very strong for its width.
Long hair can take years to grow.