« previous next »

Author Question: Define vasoconstriction and describe its role in the human physiological response to cold. What ... (Read 64 times)

nautica902

  • Hero Member
  • *****
  • Posts: 591
on: Aug 11, 2018
Define vasoconstriction and describe its role in the human physiological response to cold.
 
  What will be an ideal response?

Question 2

The first circumnavigation of the globe was achieved by which explorer?
 
  a. Marco Polo
 b. Christopher Columbus
  c. Ferdinand Magellan
 d. Francisco Pizarro


mistyjohnson

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Aug 11, 2018
Answer to Question 1

Vasoconstriction is narrowing of the blood vessels to reduce blood flow to the skin. Under extreme
cold, this allows the body to restrict heat loss and conserve energy.

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

human genome percentage human genome percentage
muscles human muscles human
Share of Human Capital in Wages in Advanced Countries Share of Human Capital in Wages in Advanced Countries
Structure of human immunodeficiency virus Structure of human immunodeficiency virus
Geese continued to follow a human around assuming their actual mothers Geese continued to follow a human around assuming their actual mothers
The human heart The human heart
Video: Cellular Respiration & Glucose Mobilization (Glucose transport & Phosphorylation of Glucose)

For a complete list of videos, visit our video library