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

Author Question: Which blood vessel carries blood from the heart to the lungs? A) aorta B) vena cava C) ... (Read 37 times)

sc00by25

  • Hero Member
  • *****
  • Posts: 596
Which blood vessel carries blood from the heart to the lungs?
 
  A) aorta
   B) vena cava
   C) pulmonary artery
   D) pulmonary vein

Question 2

Explain why breathing is necessary for cellular respiration to occur.
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

johnharpe

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

C

Answer to Question 2

We inhale oxygen because it is necessary for the breakdown of glucose to produce ATP. Carbon dioxide develops as a waste product of ATP production. We exhale this carbon dioxide to remove it from the body.




sc00by25

  • Member
  • Posts: 596
Reply 2 on: Jul 3, 2018
Excellent


31809pancho

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

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?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

For a complete list of videos, visit our video library