![subject](/tpl/images/cats/biologiya.png)
Biology, 16.11.2019 16:31 loredobrooke9929
Very short-term bursts of stress can have a beneficial effect on many biological systems, including the system, which is your body's frontline defense against infection and cancer.
a. nervous
b. respiratory
c. immune
d. circulatory
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 11:10
Look at the photo of the leaf, which term best describes this leaf ? a-simple.b-parallel.c-lobed.d-tooth.
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 14:20
Drag the tiles to the correct boxes to complete the pairs. match each cell organelle with its description.
Answers: 3
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 15:30
When an object is moving away from you while still making a sound, the pitch of the sound is perceived to a. lower b. unchanged c. fluctuating d.higher
Answers: 2
You know the right answer?
Very short-term bursts of stress can have a beneficial effect on many biological systems, including...
Questions
![question](/tpl/images/cats/biologiya.png)
Biology, 13.04.2020 22:59
![question](/tpl/images/cats/istoriya.png)
History, 13.04.2020 22:59
![question](/tpl/images/cats/istoriya.png)
History, 13.04.2020 22:59
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mir.png)
World Languages, 13.04.2020 22:59
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 13.04.2020 22:59
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.04.2020 22:59
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 13.04.2020 22:59
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.04.2020 22:59
![question](/tpl/images/cats/mat.png)
Mathematics, 13.04.2020 22:59
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 13.04.2020 22:59