101科學教室：心臟《國家地理》雜誌
Synopsis
人體中由靜脈、動脈和微血管組成的循環系統總長度可超過9萬6500公里，而心臟正是位於核心的幫浦。心臟將血液泵入全身，為每 ...
Download Options
Choose a download method below. All links open in new tabs.
| Service | Features | Action |
|---|---|---|
| Ssvid |
MP4 & MP3 • HD Quality • Browser Extension Available
|
Download |
| SaveFrom |
MP4 & MP3 • HD Quality • Browser Extension Available
|
Download |
Security Notice: These are third-party services. We recommend using antivirus software and being cautious of pop-up ads.