![subject](/tpl/images/cats/biologiya.png)
Biology, 24.11.2019 00:31 Isabella1319
50 points
which system is responsible for the exchange of oxygen and carbon dioxide?
a. skeletal
b. circulatory
c. respiratory
d. endocrine
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 15:30
Sammi is studying the interaction of the digestive and circulatory systems in the human body. she has listed various processes that occur in each of the systems. put the processes in order to describe the interaction between these two systems. tiles nutrients diffuse through the villi of the small intestine.digestive processes break nutrients down in the mouth, stomach, and small intestine.blood is pumped through the circulatory system to deliver nutrients to other organs.nutrients are ingested at the mouth.nutrients enter the capillaries of the circulatory system. sequence
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 19:10
Apopulation has 1000 individuals. over a period of 1 year, 500 newindividuals are born. which equation shows how to calculate the birthrate ofthis population? a. 500 - 1000 = 0.5b. 1000 x 0.5 = 500c. 1000 - 500 = 2d. 1000 + 500 = 1500
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 08:30
Cpr, or cardiopulmonary resuscitation, is a first-aid technique to save lives. it involves compressions of the patient's chest cavity. which description is the best description of the functions of chest compressions in cpr? chest compressions are done to pump the heart. chest compressions are done to strengthen the rib bones. chest compressions increase carbon dioxide inhalation. chest compressions allow the patient's muscles to wake up.
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 14:20
Which feature would you expect to find in a population in which sexual selection depends on male competition?
Answers: 1
You know the right answer?
50 points
which system is responsible for the exchange of oxygen and carbon dioxide? <...
which system is responsible for the exchange of oxygen and carbon dioxide? <...
Questions
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/fr.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 30.07.2019 15:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 30.07.2019 15:30
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 30.07.2019 15:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 30.07.2019 15:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 30.07.2019 15:30
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 30.07.2019 15:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 30.07.2019 15:30
![question](/tpl/images/cats/en.png)
English, 30.07.2019 15:30