結果 : how does a man produce sperm
16:01

Testes and sperm production

Dr Matt & Dr Mike
107,805 回視聴 - 7 年前
4:08

The Journey of Sperm: How the Male Reproductive System Works

Free Animated Education
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5:20

How to Improve Sperm Quality & Quantity | Men's Fertility Tips

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1:32

Vasectomy Animation Overview

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3:14

The Male Biological Clock

SciShow
335,903 回視聴 - 4 年前
8:19

Pathway of Sperm from a Testis to Outside the Body

EasyAandP
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6:16

Sperm Retrieval for Conception (Fertilization)

Nucleus Medical Media
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1:41

3D Sperm Production: Prepare to be Amazed!

Design Cells
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6:15

Could This Be Why You’re Struggling with Male Infertility? Find Out Now!

Angie Tourani
28 回視聴 - 1 日前
3:43

5 tips to ensure healthy sperm - Jesse Mills, MD | UCLA Health Newsroom

UCLA Health
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1:54

How Sperm Travels through Male Reproductive System Animation | Sperm Release Pathway Video

HEALTH INFO NETWORK
62,755 回視聴 - 8 年前
0:13

Egg Rejects Lazy Sperm😅 #shorts #viral

Friendly Health
940,120 回視聴 - 1 年前
1:13

Sperm attacked by woman's immune system | Inside the Human Body - BBC

BBC
56,578,866 回視聴 - 13 年前
2:20

Why do some men not produce sperm?

Stowers Institute for Medical Research
283 回視聴 - 10 か月前
1:56

Sperm Death in the Uterus

Nucleus Medical Media
4,599,042 回視聴 - 2 年前
1:59

The Journey of Sperm and Egg: The Fertilization Process | Pregnancy | Conception Explained in Urdu

KNF Science
1,650,432 回視聴 - 1 年前
1:56

Does masturbation reduce sperm count? | Metromale Clinic & Fertility Center

Metromale Clinic & Fertility Center - Dr. Karthik
309,631 回視聴 - 7 年前
1:16

My Husband Has Zero Sperm - What Can We Do? | This Morning

This Morning
9,060 回視聴 - 6 年前
6:06

sperm-vs-semen|वीर्य कैसे बनता है|Dr. Sunil Jindal

Jindal Hospital & Fertility Center
477,775 回視聴 - 2 年前
0:31

Can a man without a prostate produce sperm

Doctor Info
1,193 回視聴 - 8 か月前