Upload date
All time
Last hour
Today
This week
This month
This year
Type
All
Video
Channel
Playlist
Movie
Duration
Short (< 4 minutes)
Medium (4-20 minutes)
Long (> 20 minutes)
Sort by
Relevance
Rating
View count
Features
HD
Subtitles/CC
Creative Commons
3D
Live
4K
360°
VR180
HDR
11,198,537 results
What are drugs? What do they do? How do they do what they do? These questions are part of the field of pharmacology, and over ...
329,120 views
4 years ago
Antihypertensives are a class of drugs that are used to treat hypertension. Antihypertensive therapy seeks to prevent the ...
1,657,750 views
7 years ago