naimadar28 naimadar28

08-12-2017
Biology

contestada

Describe the mechanisms in place to prevent the blood from flowing in the wrong direction through the heart.

Respuesta :

18-12-2017

the heart has valves in place to prevent the backflow of blood.

Answer Link

Otras preguntas

Marion fills a bucket with water . The capacity of the bucket is 2 quarts .what is the capacity of Marion's bucket in gallons ? 1 gallon =4 quarts A. 1/4 B. 1/

which word is a preposition in the following sentence? yellow is a great color for brightening a room. A.room B.is C. for D. Yellow

Which country did the United States fight in the War of 1812? Great Britain Canada France Spain

Which does not describe an impact of railroads on business and industry in the 1800s? A. Finished goods could be transported to markets quickly. B. Small towns

Asking an acquaintance directly for job leads is more effective than asking for advice about jobs. True or False?

what is the value of k in the following equation: 3k/5=k+6

Biological diversity has been proven to ________ over time. remain unchanged become greater decrease increase

Jane think of a number . She divides it by six and adds two. She gets an answer of 9. What number was she thinking of?

How did a war fought to bring “essential humans freedoms” to the world fail to protect the home-front liberties of blacks, Indians, Japanese-Americans, and Mexi

10. For what reason does Shirley Jackson likely use stock characters in "The Lottery?" A. to draw attention to the story's plot and theme B. to teach readers ab