Rewards
English
全部
图片
视频
地图
资讯
购物
更多
航班
旅游
酒店
房地产
笔记本
时长
全部
短(小于 5 分钟)
中(5-20 分钟)
长(大于 20 分钟)
日期
全部
过去 24 小时
过去一周
过去一个月
去年
清晰度
全部
低于 360p
360p 或更高
480p 或更高
720p 或更高
1080p 或更高
源
全部
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
价格
全部
免费
付费
重置
安全搜索:
中等
严格
中等(默认)
关闭
筛选器
最匹配的结果
SOLVED: What role do white blood cells perform in a human body?protect against pathogensconducting electrical impulsessecreting enzymescarrying oxygen
2022年5月6日
numerade.com
0:16
White blood cells, specifically leukocytes, constantly patrol the bloodstream to identify and eliminate harmful pathogens, such as bacteria, viruses, and fungi. This process, known as immune surveillance, helps the body defend against infections and maintain overall health. When a white blood cell encounters a foreign invader, it can engulf and destroy it or produce antibodies to mark it for destruction by other immune cells. This continuous monitoring helps prevent infections and maintain homeo
已浏览 131.2万 次
8 个月之前
Facebook
Amazing Facts
0:46
Pus is simply the build of white blood cells. #HealthAwareness #InfectionControl #ImmuneSystem #MedicalEducation #FightInfection #PublicHealth #WellnessTips #DiseasePrevention #HealthcareProfessionals #Pathogens | Medical Journal Daily
已浏览 3666 次
7 个月之前
Facebook
Medical Journal Daily
2:47
Watch how white blood cells choose the quickest path through your body 🔍
已浏览 696 次
2021年1月27日
Facebook
MEDspiration
2:52
White Blood Cells Lesson for Kids
已浏览 3.3万 次
2020年1月28日
Study.com
Ryan Newton
0:36
Did your doctor tell you this?🤔🪱 🩸Eosinophils, a type of white blood cell, play a HUGE role in the immune system’s response to parasitic infections. These cells specialize in combating multicellular parasites like helminths & other pathogens. When the body faces a parasitic infection, eosinophils are mobilized to the affected tissues. Armed with granules containing various toxic substances such as enzymes & proteins, they release these materials to eliminate parasites. Eosinophils are especia
已浏览 4.5万 次
4 个月之前
Facebook
Dr. Jaban Moore
0:18
White blood cell attack on bacteria!... - CRISPR Classroom
已浏览 1568 次
2021年7月13日
Facebook
CRISPR Classroom
SOLVED:Which is not a function of the lymphatic system? a. filters out pathogens b. returns fluid to the circulatory system c. helps certain white blood cells mature d. distributes oxygen to the tissues
2020年5月12日
numerade.com
0:13
White Blood Cells vs Pathogens
1 个月前
YouTube
3Y3AMPolerisN47
0:15
MTSBWY / Science, History, Entertainment & News on Instagram: "White blood cell navigating between red blood cells and searching for harmful organisms. 📹 [ credit: unknown - DM for credit ] Macrophages are specialized cells in the detection, phagocytosis, and destruction of bacteria and other harmful organisms. Additionally, they can present antigens to cells and initiate the inflammatory process by releasing molecules (called cytokines) that activate other cells. 📹 [ credit: unknown - DM for
已浏览 48.9万 次
2 个月之前
Instagram
maythesciencebewithyou
0:20
Understanding the Immune System #immunesystem #health #wellness #viruses #bacteria
已浏览 5 次
2 个月之前
YouTube
Brainhack AI
1:20
Macrophages, b cells, pathogens, Antibody Immune Response
已浏览 140 次
2019年3月9日
YouTube
Ricardo Vilchis Rodriguez
1:00
IMMUNITY
已浏览 9069 次
8 个月之前
YouTube
Learn biology With Musawir
1:29
Structure that Protects Bacteria from Phagocytosis | Microbiology
5 个月之前
YouTube
Simplified Medical Notes
4:36
Immune system Explained in Malayalam | How do white blood cells fight pathogens?
已浏览 5.5万 次
2020年7月24日
YouTube
Curiosity Dome
13:41
(58) white blood cell moving in my blood prt 3 of 4
已浏览 96 次
11 个月之前
YouTube
Diagnose me blood microscopy
7:48
GCSE why is this blood cell white?
已浏览 957 次
2013年5月5日
YouTube
Mr_SWesty
5:21
Immune System | How Your Immune System Protects You: The Body's Ultimate Defense Mechanism
已浏览 70 次
1 个月前
YouTube
Edu Automate Hub
2:26
Immune System Parts
已浏览 2591 次
2022年7月28日
YouTube
MooMooMath and Science
Treating, curing and preventing disease - Infection and response: Video playlist - BBC Bitesize
1 个月前
bbc.co.uk
0:52
How White Blood Cell Kill Pathogens 🗣️| | #pharmacy #shorts
已浏览 422 次
1 个月前
YouTube
Pharmacy Wallah
4:04
Immune system: How do white blood cells fight pathogens?
已浏览 1649 次
2020年7月24日
YouTube
Curiosity Dome
0:33
See How White Blood Cells Fight With Germs #whitebloodcells #ytshorts
已浏览 1067 次
1 个月前
YouTube
IIT JAM Biotechnology , GAT B , CUET PG & T…
1:09
The Weird Connection Between WHITE BLOOD CELLS and Your IMMUNE SYSTEM
已浏览 25 次
3 周前
YouTube
life force microscopy
11:28
What is Argyria? It is a First Degree Burn. It is Curable and Preventable.
已浏览 894 次
2016年7月5日
YouTube
Silver Hydroperoxide - Colloidal Silver plus Hyd…
0:47
Understanding White Blood Cell Types
已浏览 438 次
1 个月前
YouTube
FastLab Facts
6:31
Immune System | Biology | Science Lesson | Educational Video | Crash Course Anatomy & Physiology
已浏览 287 次
9 个月之前
YouTube
OnlineClass4Kids
0:53
Understanding Your Immune System – Key Components & Their Vital Functions Explained!
已浏览 21 次
2 个月之前
YouTube
Nuu3 Nutrition
2:17
GCSE science: Pathogens
已浏览 2660 次
2013年5月5日
YouTube
Mr_SWesty
8:41
Our Amazing Immune System
已浏览 2.4万 次
2012年3月23日
YouTube
Exploratorium Teacher Institute
观看更多视频
报告不当内容
请选择下列任一选项。
无关
低俗内容
成人
儿童性侵犯
Invisible focusable element for fixing accessibility issue
反馈