![subject](/tpl/images/cats/biologiya.png)
Biology, 17.10.2019 16:30 judywilkerson1114
Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins?
![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)
Biology, 21.06.2019 20:00
In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 00:00
Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 01:30
Deer cave cannot support photosynthesis is as not enough sunlight is present. in spite of this, it still has a complex food chain. what is the energy foundation of this food chain?
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 05:00
Urgent. the table shows the relative blood flow through some organs in the human body that is, the percentage of blood that flows through a given organ, through which organ(s) does all the blood flow? explain the effect of exercise on blood flow to skeletal muscles.
Answers: 2
You know the right answer?
Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in v...
Questions
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
English, 27.11.2019 02:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.11.2019 02:31
![question](/tpl/images/cats/mat.png)
Mathematics, 27.11.2019 02:31
![question](/tpl/images/cats/en.png)
English, 27.11.2019 02:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 27.11.2019 02:31
![question](/tpl/images/cats/mat.png)
Mathematics, 27.11.2019 02:31
![question](/tpl/images/cats/mat.png)
Mathematics, 27.11.2019 02:31
![question](/tpl/images/cats/mat.png)
Mathematics, 27.11.2019 02:31
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)