![subject](/tpl/images/cats/biologiya.png)
Biology, 19.07.2019 04:00 amichellecam2
What part of the respiratory system works as a gate keeper to prevent water and food from going down the trachea? a epiglottis b uvela c lungs d trachea
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 07:20
Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 08:00
What are the student's observations and inferences before he starts his investigation?
Answers: 3
![question](/tpl/images/cats/biologiya.png)
You know the right answer?
What part of the respiratory system works as a gate keeper to prevent water and food from going down...
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 18.10.2019 09:10
![question](/tpl/images/cats/mat.png)
Mathematics, 18.10.2019 09:10
![question](/tpl/images/cats/istoriya.png)
History, 18.10.2019 09:10
![question](/tpl/images/cats/health.png)
Medicine, 18.10.2019 09:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 18.10.2019 09:10
![question](/tpl/images/cats/biologiya.png)
Biology, 18.10.2019 09:10
![question](/tpl/images/cats/mat.png)
Mathematics, 18.10.2019 09:10
![question](/tpl/images/cats/mat.png)
Mathematics, 18.10.2019 09:10
![question](/tpl/images/cats/mat.png)
Mathematics, 18.10.2019 09:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
Business, 18.10.2019 09:10
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 18.10.2019 09:10
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 18.10.2019 09:10
![question](/tpl/images/cats/mat.png)
Mathematics, 18.10.2019 09:10