Exam 26: Maintaining the Internal Environment

Which excretory organs are found in insects?

When blood sugar is low,______ from the pancreas stimulates the breakdown of _______ in the liver.

In humans,an excessive accumulation of uric acid in the joints produces a condition known as ______.

Which organism does not contain kidneys?

Which hormone is secreted by the pancreas to lower high blood glucose levels?

Only mammals and birds can produce urine that is _______.

The process of removing and ridding the body of toxic nitrogenous wastes from the blood is called ______________.

Most invertebrates,such as the annelid,have nephridia.

What is the waste product of fish?

Some mammals,like the kangaroo rat of the desert,have extremely long loops of Henle in their kidneys.What purpose must this serve?

Which nutrient,when metabolized for energy,produces nitrogenous wastes?

All vertebrates other than mammals are ectothermic.

Mammals and amphibians are the only vertebrates that produce urine that is hypertonic to their body fluids.

The production of hypertonic urine in mammals and birds is accomplished by the:

Bony fish have body fluids that are ___ to seawater,so they continuously drink seawater and actively pump out _____.

Which of the following is not part of the normal glomerular filtrate?

Selective reabsorption of components of the glomerular filtrate occurs where?

Which part of the brain detects thirst and produces antidiuretic hormone?

All of the following are endothermic except:

Blood flows into the ______________ and components of plasma are forced through the walls of this specialized capillary into the nephron.