結果 : why is it important to wash your hands
4:51

What If You Never Washed Your Hands

Insider Science
256,429 回視聴 - 3 年前
5:14

Germ Smart Kids: How-To Handwashing

Saskatchewan Health Authority
632,416 回視聴 - 4 年前
1:00

Why and How to Wash Hands Properly [UV Experiment]

Babylon
363,598 回視聴 - 4 年前
1:27

WHO: How to handwash? With soap and water

World Health Organization (WHO)
6,852,403 回視聴 - 8 年前

-
4:50

Germ Smart: Wash Wash Your Hands

Saskatchewan Health Authority
268,311 回視聴 - 4 年前
2:02

10 Steps to Washing Your Hands (Short Version) - Hygiene Habits for Kids

Smile and Learn - English
755,195 回視聴 - 4 年前
1:01

Stop Germs from Spreading: Wash Your Hands | Cincinnati Children's

Cincinnati Children's
302,556 回視聴 - 4 年前

-
1:03

Why does hand-washing work?

American Heart Association
40,578 回視聴 - 4 年前
2:13

Bath Time | Fun and Engaging Nursery Rhyme for Kids

Bumbleleon Nursery Rhyme Songs for kids and Babies
893 回視聴 - 7 時間前
3:15

A Flash of Food Safety Handwashing: Why to Wash Your Hands

USDA
48,936 回視聴 - 7 年前
2:16

20 Second Hand Washing - The Science behind it and why it WORKS!

Kid Explorer
26,672 回視聴 - 4 年前
1:47

The Importance of Hand Washing

ViewMedica
10,885 回視聴 - 4 年前
0:17

Key times to wash your hands

Centers for Disease Control and Prevention (CDC)
5,703 回視聴 - 3 年前
3:57

Handwashing - Learn How To Wash Your Hands - 10 Steps to Washing Your Hands

Smile and Learn - English
468,187 回視聴 - 4 年前
0:46

How to Wash Your Hands

mnhealth
42,924 回視聴 - 4 年前
0:52

‘Always Wash Your Hands’: School Experiment Shows Importance Of Hygiene

CBS Local News
45,213 回視聴 - 4 年前
0:31

Wash Your Hands

Centers for Disease Control and Prevention (CDC)
364,652 回視聴 - 14 年前
1:36

Wash your Hands - it just makes sense.

Seema Marwaha
1,202,597 回視聴 - 12 年前
4:51

Should You Really Wash Your Hands?

Gross Science
97,826 回視聴 - 7 年前
0:37

How to Wash Your Hands Properly to Stay Safe and Healthy

Babylon
1,379,904 回視聴 - 4 年前