subject
Biology, 23.04.2020 17:49 cia196785920

In the countercurrent exchange system of fish gills, blood and water flow in opposite directions. blood flow in the gills reverses direction with every heartbeat. blood and water are separated by a thick polysaccharide barrier. blood and water flow in the same direction.

ansver
Answers: 2

Another question on Biology

question
Biology, 21.06.2019 21:30
Describe five factors that influence the value of fuel
Answers: 1
question
Biology, 22.06.2019 03:00
Match with o for organic and i for inorganic for each compound
Answers: 2
question
Biology, 22.06.2019 12:00
Can a trait be both polygenic and have multiple alleles? explain why or why not.
Answers: 2
question
Biology, 22.06.2019 12:20
Agene editing technology called crispr-cas9 uses cellular machinery to change the cell's genetic material. how might this technology be useful in treating diseases like cancer?
Answers: 3
You know the right answer?
In the countercurrent exchange system of fish gills, blood and water flow in opposite directions. bl...
Questions
question
Mathematics, 19.04.2021 18:40
question
Mathematics, 19.04.2021 18:40
question
History, 19.04.2021 18:40
question
Mathematics, 19.04.2021 18:40
question
Mathematics, 19.04.2021 18:40
question
Mathematics, 19.04.2021 18:40
question
Arts, 19.04.2021 18:50
question
English, 19.04.2021 18:50