Reproductive System, Part 2 - Male Reproductive System: Crash Course Anatomy & Physiology #41
10:44
YouTubeCrashCourse
Reproductive System, Part 2 - Male Reproductive System: Crash Course Anatomy & Physiology #41
Our month-long exploration of human reproduction continues with a look at testicular anatomy, the steps of sperm production, and how it’s influenced by gonadotropin and testosterone. Hank also explains how sperm mature, and how they leave the body on a tide of glandular secretions during ejaculation. Pssst... we made flashcards to help you ...
已浏览 325.2万 次2015年11月9日
短视频
Male vs Female Pelvis Differences Anatomy Skeleton Shape
5:54
已浏览 18.8万 次
Male vs Female Pelvis Differences Anatomy Skeleton Shape
RegisteredNurseRN
Indwelling Urinary Catheter Insertion on Male - Clinical Nursing Skills | ‪@LevelUpRN‬
10:03
已浏览 36.9万 次
Indwelling Urinary Catheter Insertion on Male - Clinical Nursing Skills |
Level Up RN
Chihuahua Puppy
Chihuahua Puppies
1:17
Chihuahua Puppies
YouTubeDevoue Kennel
已浏览 246.4万 次2016年10月25日
I wish I knew these BEFORE getting a Chihuahua
10:52
I wish I knew these BEFORE getting a Chihuahua
YouTubeThe Smart Canine
已浏览 10.2万 次2024年5月25日
The Cutest Mini Black Long Haired Chihuahua Puppy Dog
0:21
The Cutest Mini Black Long Haired Chihuahua Puppy Dog
YouTubeChihuahua Puppies
已浏览 2233 次2022年6月14日
热门视频
Anatomy of Male Reproductive System | Model
14:24
Anatomy of Male Reproductive System | Model
YouTubeNinja Nerd
已浏览 100.5万 次2017年7月25日
My Top 10 Male Ballet Of Our Times 2024
10:55
My Top 10 Male Ballet Of Our Times 2024
YouTubeDancing Fan
已浏览 44.2万 次2024年1月16日
TOP 10 MALE MODELS | 2000-2015
13:03
TOP 10 MALE MODELS | 2000-2015
YouTubePASSION FOR FASHION
已浏览 28.4万 次2021年3月1日
Funny Chihuahua Videos
100 Funny Chihuahua Videos | Try Not To Laugh Challenge | That Pet Life
11:32
100 Funny Chihuahua Videos | Try Not To Laugh Challenge | That Pet Life
YouTubeTOTALLY FUNNY ANIMALS
已浏览 383.5万 次2018年9月11日
Newest Chihuahua Compilation | Funny Chihuahua Videos
7:47
Newest Chihuahua Compilation | Funny Chihuahua Videos
YouTubeFunMomy
已浏览 53万 次2021年3月15日
Cutest & Funniest Chihuahuas 💚 | Dogs Compilation | 10 minutes of laugh | Chihuahua Puppies
10:47
Cutest & Funniest Chihuahuas 💚 | Dogs Compilation | 10 minutes of laugh | Chihuahua Puppies
YouTubeFunMomy
已浏览 35.8万 次2021年1月31日