Exam 26: Internal Organization and Homeostasis

Heatstroke results primarily from a loss of

Blood pH is generally neutral in order to allow enzymes to function properly.

During the day, camels allow their body temperature to rise to up to 40.5°C. As they rest on the cool desert sand at night, their temperature drops back to normal as a result of ____________________ because the external temperature is below the camel's body temperature.

How might air conditioning reduce the number of deaths resulting from heat waves?

A turtle lying on a warm rock on a sunny day is gaining heat from the sun by radiation and heat from the rock by ____________________.

Kidneys conserve water but not solutes.

Secretion and ____________________ take place in the U-shaped kidney tubule.

Which of the following would be the best way to avoid heatstroke on a very hot day?

An organism that generates enough metabolic heat to contribute in an important way to its heat gain is known as a(n)

The process of regulating internal conditions so that they remain steady even when the physical environment does not match them is called ____________________.

The distances between capillaries and cell surfaces near capillaries are

Analyze the tissue images below and select which statement is true.

In order for the epidermis to provide protection, it is made of only one type of tissue.

Evaporation cools by radiation.

If you have ever breathed air out of your lungs onto a cold glass surface, you have seen the glass "fog up" from water contained in your breath. Which of the descriptions below describes the journey of that water from a cell in your body to your breath?

To help circulate heat gained from the environment while basking, marine iguanas

Ectotherms depend more on heat from their environment than on ____________________ heat from internal chemical reactions.

____________________ feedback keeps the internal environment in a constant state within a range of external conditions.

Ammonia is produced by the metabolism of

In kidneys, the glomerulus is composed of a bed of ____________________.