What are the atomic number and atomic weight of iron.​

Atomic Number 26

Explanation:

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Atomic number of iron(fe) ➜ 26.

Atomic mass of iron(fe) ➜ 56 approximately.

Explanation:

Q. What is atomic number ?

➡ Atomic number is the number of protons and number of electrons.

Q. What is atomic mass ?

➡ Atomic mass is equal to the number of protons plus number of neutrons

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.