Urinary sistem. VIDEO.

Watch the video and answer the following questions in your notebook. I recommend you to decrease the speed of the video to 0.75 (not less than that). And it would bebetter if you don't use subtitles, but if you need them, use ENGLISH subtitles. 

Questions:
1. What are the 3 main function of kidneys mentioned in the video?
2. What toxic component is produced as a result of protein metabolism?
3. What less toxic compound is produced from the molecule you answered in question 2?
4. In what organ is urea formed?
5. What structure in the kidneys form urine?
6. What are the main processes needed to form urine?
7. What structure in the nephron looks like a ball of yarn?
8.  What part of the nephron reabsorbs  glucose and other useful  substances  to  the blood?
9.  What part of the nephron reabsorbs water?
10.       What is the name of the process by which hydrogen, potassium and other substances are actively transported to the distal convoluted tube?