I believe it is the pituitary gland
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Regular physical activity can improve<span> your muscle strength and </span>boost<span> your</span>endurance<span>.</span>
Thank you for coming to Brainly with your questions!
I believe the answer is:
Aorta, Left Ventricle, Left Atrium, Pulmonary Vein, Coronary Artery, <span>Bronchial veins.
I hope this helps you! Please mark Brainliest! Lemme know if I can help you with any further questions!
-Belle</span>
