Author Question: The air we breathe is made up of approximately _______ oxygen and 79 _______. Fill in the ... (Read 73 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?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

For a complete list of videos, visit our video library