How many cusps are located on the right atrioventricular valve

3

Explanation:

these are are located between the right upper atrium and lower right ventricle. These cusps are

1.Anterior

2. Septal

3. Posterior.

Anatomically, the base of each cusp is held firmly or anchored by fibrous structure called CHORDAE TENDINEAE.

Thier functions is to pevent regurgitation of the blood and the wall of the right ventricle into the atrium during ventricular systole; contraction of the ventricle.Therefore they blocked the passage and ensured blood flows into the pulmonary arteries to reach the lungs.

Check the attachments for pictures.

and after water is usually warmed by the sun the water temperature raises and then evaporates .

answer: b

coz red blood cells marrow and circulates the body for 120 days.