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
Under Armour Reviews
"She Wasn't Ready For Him" ☠️🔥 | Lucifer | NO BATIDÃO (slowed) #Trending #Shorts
0:45
"She Wasn't Ready For Him" ☠️🔥 | Lucifer | NO BATIDÃO (slowed) #Trending #Shorts
YouTubeRizer-Edits
已浏览 6202.3万 次2 周前
Introducong the "VitaWear SmartBand," a next-generation wearable gadget #shortsfeed #trending
0:31
Introducong the "VitaWear SmartBand," a next-generation wearable gadget #shortsfeed #trending
YouTubeSOBUJ BRO
已浏览 3993万 次3 周前
‪@IShowSpeed‬ took it like a CHAMP! 💥 Check out the newest episode of Speed Goes Pro on his channel!
0:55
‪@IShowSpeed‬ took it like a CHAMP! 💥 Check out the newest episode of Speed Goes Pro on his channel!
YouTubeWWE
已浏览 578.4万 次1 周前
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
Under Armour Athletes
Under Armour Pro Athletes Reveal Their Top Gear Picks | TRE 2024
8:03
Under Armour Pro Athletes Reveal Their Top Gear Picks | TRE 2024
YouTubeFloTrack
已浏览 748 次2024年12月3日
Under The Armour With Jonah Koech: A Look Behind The Athlete
21:03
Under The Armour With Jonah Koech: A Look Behind The Athlete
YouTubeFloTrack
已浏览 2034 次4 个月之前
3.5K views · 2.7K reactions | Performance solutions for every athlete. | Under Armour | Facebook
0:16
3.5K views · 2.7K reactions | Performance solutions for every athlete. | Under Armour | Facebook
FacebookUnder Armour
已浏览 104.8万 次2 周前