ScienceGrade 2nd· Why Do We Get Nosebleeds?

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 / 5

Which 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

Why Do We Get Dizzy?

Inside your ear is a balance system called the vestibular system

Lesson Info

Grade 2nd
2026-08-01
Why Do We Get Nosebleeds?

Standards Alignment

  • 4-LS1-1

    Internal structures support survival, growth, behavior, and reproduction

Play the whole series

Episode 23 of gross body files

Keywords

2nd grade sciencescience for kidsgetnosebleedsnosebleedblood vesselirritatepinch4-LS1-1kids learningelementary education
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