Why Do We Get Nosebleeds?
The inside of the nose has many tiny blood vessels close to the surface
Learning Objective
Students will learn why noses sometimes bleed, how to handle it safely, and that it's usually not serious.
What You'll Learn
- The inside of the nose has many tiny blood vessels close to the surface
- Dry air, nose picking, bumps, or colds can irritate these vessels
- When a vessel breaks, a small amount of blood comes out
- Most nosebleeds stop on their own in a few minutes
- The right way to help is to lean forward and pinch the soft part of the nose
Words to Know
- Nosebleed
- When blood comes out of the nose
- "He got a nosebleed after bumping his nose."
- Blood vessel
- A tiny tube that carries blood
- "The tiny blood vessel broke inside his nose."
- Irritate
- To bother or make sore
- "Dry air irritated my nose."
- Pinch
- To squeeze gently with fingers
- "She pinched her nose to stop the bleed."
Check What You Learned
Quick Quiz
1 / 5Which of these is TRUE?
Fun Facts
The nasal lining contains a rich network of small blood vessels close to the surface
Source: American Academy of Otolaryngology
Dry air, nose picking, trauma, and infections can irritate these vessels and cause bleeding
Source: AAO-HNS
Most nosebleeds occur in the anterior (front) part of the nose and are not serious
Source: Mayo Clinic
Proper first aid: sit up, lean forward, and pinch the soft part of the nose for 10-15 minutes
Source: American Red Cross
Tilting the head back can cause blood to flow down the throat
Source: AAO-HNS
The body rapidly forms clots to stop nosebleeds and repair small vessel injuries
Source: Mayo Clinic
Watch next
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Inside your ear is a balance system called the vestibular system
Lesson Info
Standards Alignment
- 4-LS1-1
Internal structures support survival, growth, behavior, and reproduction
Play the whole series
Episode 23 of gross body files
Keywords
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