結果 : what is menstruation explain it
3:47

What Is The Menstrual Cycle? | Physiology | Biology | FuseSchool

FuseSchool - Global Education
1,349,522 回視聴 - 8 年前
4:12

How menstruation works - Emma Bryce

TED-Ed
1,990,734 回視聴 - 8 年前
0:48

Menstrual Cycle Basics | 3D animation (1/2)

Dr. Paulien Moyaert
6,144,012 回視聴 - 1 年前
5:37

Why Do Girls Get Periods? | Menstruation | The Dr Binocs Show | Peekaboo Kidz

Peekaboo Kidz
7,314,970 回視聴 - 2 年前
4:46

Why do women have periods?

TED-Ed
17,138,655 回視聴 - 9 年前
3:19

Menstruation: What To Expect

AMAZE Org
663,404 回視聴 - 6 年前
2:17

This is Your Period in 2 Minutes | Glamour

Glamour
36,623,055 回視聴 - 7 年前
2:07

The Menstrual Cycle

Nemours KidsHealth
17,225,793 回視聴 - 9 年前
10:58

The menstrual cycle

Osmosis from Elsevier
1,317,680 回視聴 - 2 年前
10:38

Everything You Don't Know About the Menstrual Cycle

Mama Doctor Jones
181,823 回視聴 - 1 年前
2:25

Female Reproductive Cycle (Menstrual Cycle)

Dr Matt & Dr Mike
240,363 回視聴 - 3 年前
3:39

Menstruation Sensation: All About Getting Your Period

AMAZE Org
256,909 回視聴 - 5 年前
4:05

ovulation and menstrual cycle often called period|medical animationDandelionTeam #ovulation #period

Dandelion Medical Animation
39,054,183 回視聴 - 2 年前
20:34

Periods Explained in Tamil

Science Insights
1,547,296 回視聴 - 3 年前
2:26

The Menstrual Cycle | 3D Animation (2/2)

Dr. Paulien Moyaert
2,432,299 回視聴 - 1 年前
5:49

Menstruation Animation

Mahalingaiah Lab
73,947 回視聴 - 2 年前
17:29

Your Menstrual Cycle is Your Superpower | Dinara Mukh | TEDxSFU

TEDx Talks
391,244 回視聴 - 2 年前
2:35

How does the menstrual cycle work?

Society for Endocrinology
101,713 回視聴 - 2 年前
3:46

Learning about Menstrual cycle (Periods) for young girls #Firstperiod #periodcartoon

Life-Lab's GAPPU & BOBO
668,585 回視聴 - 4 年前
0:30

When to Teach Your Son About Periods !!

Vriksham Pregnancy Talks
33,076,831 回視聴 - 3 年前