a) all carry oxygenated blood to the heart.
![subject](/tpl/images/cats/biologiya.png)
Biology, 16.09.2019 16:30 probablyacommunist
3) which statement best describes arteries?
a) all carry oxygenated blood to the heart.
b) all carry blood away from the heart.
c) all contain valves to prevent the backflow of blood.
d) only large arteries are lined with endothelium.
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 03:10
Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 10:30
Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 12:30
Is becoming less expensive to screen blood samples for dna certain diseases have genetic basis what is possible ethical concern about the availability of inexpensive dna testing
Answers: 1
![question](/tpl/images/cats/biologiya.png)
You know the right answer?
3) which statement best describes arteries?
a) all carry oxygenated blood to the heart.
a) all carry oxygenated blood to the heart.
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 22.01.2021 23:50
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.01.2021 23:50
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 22.01.2021 23:50
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.01.2021 23:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 22.01.2021 23:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 22.01.2021 23:50
![question](/tpl/images/cats/istoriya.png)
History, 22.01.2021 23:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.01.2021 23:50
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.01.2021 23:50
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.01.2021 23:50
![question](/tpl/images/cats/mat.png)