Exam 26: Maintaining the Internal Environment

Freshwater fish drink water all the time to compensate for their tendency to lose water.

In flatworms,protonephridia branch throughout the body into bulblike _______________.

The kidneys of the _____ are so efficient it never has to drink water.

In a homeostatic system,the integrating system executes changes to compensate for deviances from the set point.

The amphibian kidney is identical to that of:

All of the following animals lack the enzyme uricase except:

The _____________ is the functional unit within the kidney.

By what means does the Paramecium remove metabolic wastes?

What type of animal uses Malpighian tubules for excretion?

Most mammals have uricase,which converts uric acid into ________.

One major function of the kidneys is water conservation.What portion of the nephrons is responsible for that function when water is lacking in the diet?

In mammals,uric acid is produced as a waste product of the degradation of:

The filtering device at the top of each nephron is called a:

________________ is the final product to be expelled from the body after the kidney has reabsorbed needed nutrients and water.

Which simple excretory system is present in the flatworm?

Which of the following are regulated by the kidneys?

The regulation of the body's osmotic composition is called __________________.

Reptiles,birds,and insects excrete nitrogenous wastes in the form of:

Explain how Bowman's capsule works.

Which organ detects and responds to changes in blood glucose levels?