Region of the brain lying below the thalamus; secretes factors and hormones that affect the pituitary gland is

Hypothalamus

Explanation:

The Hypothalamus is the main coordinating and control center for the autonomic nervous system. it plays important role in homeostasis, and is FOUND JUST BELOW the Thalamus.

Also, it controls the secretion of hormones from the pituitary gland.

The Hypothalamus, alongside Thalamus, olfactory lobes and Cerebrum make up the FORE-BRAIN.

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.

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