![subject](/tpl/images/cats/biologiya.png)
Biology, 23.06.2019 07:30 missdee6929
What was dr. willem johan kolff’s first step in using the scientific process to invent the hemodialysis machine? he built the machine and tried it with various patients, collecting data about its effectiveness. when a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine. he researched and collected data about numerous patients who exhibited symptoms of kidney failure. he drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/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 03:30
Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 07:30
Nh3 +02-no + h20 is unbalanced what is the balanced equation
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 13:00
Describe the impact of deforestation of both abiotic and biotic factors within the tropical rainforest.
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 17:00
How many autosomes are in this human karyotype? how many sex chromosomes?
Answers: 2
You know the right answer?
What was dr. willem johan kolff’s first step in using the scientific process to invent the hemodialy...
Questions
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.08.2021 04:10
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 21.08.2021 04:10
![question](/tpl/images/cats/en.png)
English, 21.08.2021 04:10
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.08.2021 04:10
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)