❤️⇆🩸

#heart valve #blood regulation #cardiac valve action #circulation control #heart pump mechanism

🩸🔬📈

#thrombopoietin #tpo hormone #platelet production #hematology #blood regulation

🧪🩸⚖️

#hormones #hormonal balance #endocrine function #chemical messengers #blood regulation #homeostasis

🍽️➕🩸

#pancreas #dual function #exocrine #endocrine #hormones #enzymes #blood regulation

💤➡️✨🩸✂️

#plasminogen activation #enzyme activation #zymogen #active enzyme #blood regulation