Heart

Cardiac tissue secreting hormones like atrial natriuretic peptide to regulate blood pressure.

Key Functions:

• Secretes atrial natriuretic peptide (ANP) to reduce blood volume.
• Regulates blood pressure and fluid balance.

Interacting Systems & Components:

• Circulatory System (blood pressure regulation)
• Kidney (ANP affects sodium excretion)
• Aldosterone (counteracts ANP)