Author Question: The air we breathe is made up of approximately _______ oxygen and 79 _______. Fill in the ... (Read 130 times)

awywial

  • Hero Member
  • *****
  • Posts: 577
The air we breathe is made up of approximately _______ oxygen and 79 _______.
 
  Fill in the blank(s) with the appropriate word(s).

Question 2

________ bind(s) and transport(s) carbon dioxide and oxygen.
 
  A) Hemoglobin B) Hemocytes C) Hematocrit D) Hemoglobulin



akudia

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

21; nitrogen

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

For a complete list of videos, visit our video library