This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: High altitudes are a stress on human populations because there is less oxygen available to breathe. ... (Read 40 times)

Davideckstein7

  • Hero Member
  • *****
  • Posts: 555
on: Jul 10, 2018
High altitudes are a stress on human populations because there is less oxygen available to breathe.
 
  a. True
  b. False

Question 2

Which of the following is a mechanism by which human populations cope with high altitudes?
 
  a. hypoxic ventilatory response (HVR)
  b. vasodilation
  c. pupil constriction
  d. vasoconstriction


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ky860224

  • Sr. Member
  • ****
  • Posts: 350
Reply #1 on: Jul 10, 2018
Answer to Question 1

Answer b

Answer to Question 2

Answer a


Davideckstein7

  • Hero Member
  • *****
  • Posts: 555
Reply #2 on: Jul 10, 2018
TY


ky860224

  • Sr. Member
  • ****
  • Posts: 350
Reply #3 on: Jul 10, 2018
Happy to Help


« previous next »
 

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Hill plots for oxygen binding to myoglobin and hemoglobin Hill plots for oxygen binding to myoglobin and hemoglobin
human genome percentage human genome percentage
Karl Marx (1818–1883) believed that the roots of human misery lay in class conflict, the ... Karl Marx (1818–1883) believed that the roots of human misery lay in class conflict, the ...
The Laguna Santero, Retablo and high altar of the Church of San José, Old Laguna Pueblo, New ... The Laguna Santero, Retablo and high altar of the Church of San José, Old Laguna Pueblo, New ...
Physical and Emotional Signs of Stress Physical and Emotional Signs of Stress
Human embryo shortly after fertilization in the laboratory Human embryo shortly after fertilization in the laboratory
Video: Amniocentesis and CVS Animation

For a complete list of videos, visit our video library