Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
13 Cards in this Set
- Front
- Back
|
What is the job of atrioventricular valves? |
To prevent back flow of blood into atria |
|
|
What cause "dub" sound? |
Semilunar valves closing |
|
|
blood from left atrium goes to...... |
left ventricle |
|
|
Right side of the heart pumps blood to where? |
right side of heart pumps blood to lungs |
|
|
Left ventricle sends blood to where? |
Left ventricle sends blood to Aorta |
|
|
what is lumen? |
it is the centre of an artery |
|
|
what is the job of semilunar valves? |
to prevent back flow of blood to heart during diastole |
|
|
What is the job of elastic fibre in Aorta? |
Allow stretching and to maintain blood pressure |
|
|
What is the sugar called in mononucleotide? |
Deoxyribose |
|
|
Mononucleotides are consists of .... |
Sugar, phosphate and a base |
|
|
what are DNA bases? |
Adenine, thymine, guanine and cytosine |
|
|
What is the advantage of circulatory system in animals? |
Overcomes limitation of diffusion |
|
|
Why heart have two side? |
1- To separate oxygenated and deoxygenated blood |
