This topic contains a solution. Click here to go to the answer

Author Question: The most important chemical regulator of respiration is A) oxygen. B) carbon dioxide. C) ... (Read 53 times)

faduma

  • Hero Member
  • *****
  • Posts: 528
The most important chemical regulator of respiration is
 A) oxygen.
  B) carbon dioxide.
  C) bicarbonate ion.
  D) sodium ion.
  E) hemoglobin.

Question 2

Light refraction takes place at the
 A) cornea and lens.
  B) lens only.
  C) optic disc.
  D) cornea and optic disc.
  E) cornea only.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Eunice618

  • Sr. Member
  • ****
  • Posts: 350
Answer to Question 1

B

Answer to Question 2

A




faduma

  • Member
  • Posts: 528
Reply 2 on: Feb 28, 2019
:D TYSM


AngeliqueG

  • Member
  • Posts: 343
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

For a complete list of videos, visit our video library