1. which is the most prominent part in a bud? 2. where do you think the petals are in a closed bud?

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1. Petals and sepals:

The most prominent part on a bud is made up of small leaf-like structures which are known as sepals.

Explanation:

2. When a flower is a bud, it is said to be closed bud which is surrounded by sepals that protect the flower bud and are behind/underneath the petals when the flower opens. Petals are modified leaves that surround the reproductive parts of flowers.

the most logical answer would be a

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.