The Mitral valve which is also known as left atrioventricular prevents blood movement from left ventricle to left atrium.
Explanation:
- Human heart is four chambered.
- Two of these are receiving chambers known as atria and the other two are distributing chamber known as Ventricles.
- Atria are superior chambers and ventricles are inferior chambers.
- The heart has four valves broadly grouped as Atrioventricular valves and Semi lunar valves.
- Atrioventricular valves allows flow of blood from atria to ventricle. These are tricuspid valve and bicuspid valve.
- Semi-lunar valves allow blood to pass out of the heart. These include the pulmonary and aortic valves.
- The pulmonary valve allows blood to flow from right ventricle to the heart while aortic valve allows blood to flow from left ventricle to the Aorta.
- The Tricuspid valve located between the right atrium and right ventricle allows blood to flow from right atrium to the right ventricle.
- The Bicuspid valve ( Mitral valve) located between the left atrium and left ventricle allows the blood flow from left atria to left ventricle.
- Valves maintain the unidirectional flow of blood and thus prevent its back flow.
Answer:
chlorophyll A/B
Starch produced in plastids
Explanation:
Chlorophyll is commonly referred to as distinct green pigment that is widely found in some algae, plants, and cyanobacteria. It generally absorbs light mostly the blue parts of the electromagnetic spectrum. In these organisms, the chlorophyll can exist as chlorophyll a and b. It is essential for photosynthesis.
The power of peace is being seized grasping in the talons of its other foot.
<h3>A shield, a scroll, an olive branch, or a phrase is what the eagle on the Great Seal is holding in his right talon?</h3>
In the artwork, an eagle holding the motto "E Pluribus Unum" on a scroll with an olive branch representing peace and thirteen arrows representing conflict are displayed in each of its claws. The year 1776 is written in Roman numerals at the foot of a thirteen-step pyramid on the reverse of the seal.
<h3>What does the eagle represent in the US coat of arms?</h3>
The Founding Fathers made the right choice when they designated the bald eagle as the country's emblem. The fierce woman and the great bird's proud independence effectively represents America's strength and freedom.
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The correct answer is: growth factor signaling to be hyperactive.
