why is the right atrium larger than the left

why is the right atrium larger than the left

Core:, which are the chambers where the blood enters the heart). The reason for this difference in muscle size is because the left ventricle needs to pump blood to the whole body, compared to the right ventricle which only pumps blood to the lungs. The larger muscle size is needed to generate the force necessary to pump the blood to the whole body. P Extension : Why does pumping blood to the whole body require more force than pumping blood to the lungs? The vessels of the whole body (systemic circulation) provide a much higher resistance to flow than the vessels in the lungs (pulmonary circulation). Therefore the left ventricle requires more force to overcome this resistance. P Continued From Above. The muscular walls of the right atrium are much thinner than those of the ventricles and

 why wont my iphone play youtube videos

why wont my iphone play youtube videos

Youtube doesn t let me change the title of my uploaded videos Youtube says This video is not available but it is available in computer. But I want to watch on my phone How do i fix a hack and a virus my rca 10 tablet wont let me use youtube or download anything this happen when it told me i go Youtube won t let me upload my phone wont let me sign into wifi due to an unauthorized factory reset im trying to add a friend to whatsap on their windows phone [don t post the #] but since i have acct it wont let me My Phone Said My Sd Card Is Not In But The Card Is In And It Wont Let Me Call Out And Has A Big Sd Card At The Top Of My Phone Android phone keeps restarting; won t let me access content Bought bigger SD card, now phone won t let me move apps to the SD card. ...

 why is thomas jefferson on the nickel

why is thomas jefferson on the nickel

In 1938, the United States Treasury elected to stop minting the Buffalo nickel. The Buffalo nickel (also known as the Indian Head nickel) had just completed its mandatory twenty-five year circulation, and since the new President, Franklin D. Roosevelt, was an admirer of Thomas Jefferson, the U. S. Mint announced a contest to design a coin in honor of the third President. The winning entry would receive a $1,000 prize. Normally, the Chief Sculptor-Engraver of the Mint created American coins, but for the Jefferson five-cent piece, the general public was invited to submit designs. Three hundred and ninetyPcontestants did so. The winning artist, Felix Schlag, was a German immigrant who first came to the United States in 1929. He spent four weeks on his version of the new coin. In the letter

 why do they ring bells during catholic mass

why do they ring bells during catholic mass

"A little before the Consecration, when appropriate, a server rings a bell as a signal to the faithful. According to local custom, the server also rings the bell as the priest shows the and then the. " The usual moment chosen for giving the signal of the approach of the Consecration is when the priest stretches out his hands over the host and the chalice while reciting the, but another moment traditionally used for this purpose is at the first words of the Sanctus. Pre-1970 editions of the, prescribed the choice of the Sanctus as the moment for the signal, but ringing the bell at both the Sanctus and the epiclesis was common practice in the first half of the twentieth century. They also prescribed a triple ringing of the bell at each showing of the consecrated elements. On 10 September

 why do we have seasons on earth quizlet

why do we have seasons on earth quizlet

If the Earth was not tilted on its axis, in other words, if its axis was perpendicular to its orbit, which of the following would be true? a. We would still have seasons, but there wouldn't be as much difference between cold and hot average monthly temperatures b. We would have two seasons: a mild winter and a mild summer c. ...

 why do some messages not send as imessage

why do some messages not send as imessage

I'm having this problem also. Both my wife and I have an iPhone 4 running iOS5, we were texting using iMessage, and it was working but then for some strange reason, the last 3 or so messages we sent got sent as text, but it didn't show them being sent as a text, until you left iMessage, and returned to it. The problem was, I had sent 2 pictures through iMessage, they got sent as MMS, and I got charged for them. ...

 why do we need to study business english

why do we need to study business english

English has become the language of the Internet, engineering, medicine, professional training and research. PIts therefore no surprise that here at BLC, our is becoming an increasingly popular. In fact, the global demand for Business English Courses has increased in recent years, with more students choosing to study Business English than any other English for Specific Purpose (ESP) course. P We get a lot of enquiries and questions about what Business English really is, why it is needed, and who should study Business English. PSo, keen to help answer such questions, here is our definitive guide to Business English. What is Business English? Business English is English Language especially related to the language used in business and international trade. "English is the world's most widely

 why do puppies twitch when they sleep

why do puppies twitch when they sleep

Betty's adorable twitching makes us feel good, and itвs fun to imagine her milk-filled dreams. But thatвs not what makes her twitch and pop as she rests. This twitching actually has a functional purpose - activated sleep helps build muscle and form the connections that will allow the puppies to develop motor coordination. This is why twitching is a key indicator that the puppy is healthy and developing normally. ...

 why do typhoons occur in the philippines

why do typhoons occur in the philippines

^ de la Cruz, Gwen (March 19, 2016). Rappler. Retrieved. ^ Brown, Sophie (November 11, 2013). Time. Retrieved. ^ Glossary of Meteorology. Retrieved on 2008-06-11. J. L. H. Paulhaus (1973). World Meteorological Organization Operational Hydrology Report No. 1: Manual For Estimation of Probable Maximum Precipitation. p. P178. , Hurricane Research Division. Retrieved. ^ Republic of the Philippines. Department of Science and Technology. Philippine Atmospheric, Geophysical and Astronomical Services Administration. (n. d. ). Retrieved November 6, 2016. English, Fr. Leo James (2004), Tagalog-English Dictionary, 19th printing, Manila: Congregation of the Most Holy Redeemer, p. P117, P Philippine Center for Language Study; Jean Donald Bowen (1965), Jean Donald Bowen, ed. , (10 ed. ), University of

 why do they do the hunger games

why do they do the hunger games

I'm pretty sure the exact reason as to why only children are chosen is given in the book. I will research that and add it to this answer, should I find it. Until then, maybe this quote from the Every year since the rebellion, the Capitol forced 24 children into the arena (. ) in order to both entertain the Capitol citizens and remind the twelve districts how completely at the Capitol's mercy they are. Like I said in my comment to the question, I think the fact that the tributes are children is just the icing on the "we can do whatever we want to you" cake, to make it that more evil. As to the question in the comments, regarding volunteering, The By rule, once a person's name has been chosen to become a tribute, another eligible boy or girl may volunteer to take their place. (emphasis

1 2 3 4 5 6 7 8 9 10 ... 1747