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PCAT Biology Excretion
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PCAT Biology Excretion
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25 Questions

1. Divded into three regions: outer cortex - inner medulla - renal pelvis

2. Clean the blood plasma of unwanted substances as it passes throught he kidney

3. Lungs - liver - skin - and kidneys

4. Nitrogenous wastes of arthropods

5. The removal of metabolic wastes produced in the body

6. Carbon dioxide is released from the tissues into adjacent tracheae through spiracles

7. An organelle specialized for water excretion by active transport

8. Essential substances and water are reabsorbed from the filtrate and returned to the blood -occurs primarily in the proximal convuluted tubule and is an active process

9. Affect the blood acidity by causing changes in the HCO3-

10. Counter-current system causes the medium in the medulla of the kidney to be hyperosmolar with respect to the dilute filtrate flowing in the collecting tubule

11. A hormone that causes an increased exchange transport of sodium and potassium ions along the distal convoluted tubule - the collecting tubule - and the collecting duct - resulting in a decreased excretion of sodium ions in the urine and an increased

12. Surrounds nephron to facilitate reabsorption of amino acids - glucose - salts - and water

13. The fluid and small solutes entering the nephron -isotonic with blood plasm

14. Created when exiting and reentering at different segments of the nephron - with tissue osmolarity increasing from cortex to inner medulla

15. Produced by the deamination of amino acids in the liver and diffuses into the blood for ultimate excretion in the kidneys

16. Processes nitrogenous wastes - blood pigment wastes - and other chemicals for excretion

17. Carbon dioxide and water vapor diffuse from the blood and are continually exhaled

18. Urine collects until it is expelled via the urethra

19. The removal of indigestible material

20. Pores in leaves

21. Concentrated urine in the collecting tubules flows into the pelvis of the kidney - a funnel-like region that opens directly into this

22. Accumulates mineral salts and uric acid in arthropods then transported to the intestine to be expelled with the solid wastes of digestion

23. Affect the blood acidity by causing changes in the PCO2

24. Two pairs of nephridia in each body segment excret water - mineral salts - and nitrogenous wastes in the form of urea

25. Regulate the concentration of salt and water in the blood through the formation and excretion of urine

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