Biology · PYQ NEET UG 2025
हिन्दीCardiac activities of the heart are regulated by : A. Nodal tissue B. A special neural centre in the medulla oblongata C. Adrenal medullary hormones D. Adrenal cortical hormones Choose the correct answer from the options given below :
Correct answer · Option 1
A, B and C Only
Explanation
Cardiac activity is auto-regulated by nodal tissue (myogenic heart), and can be moderated by the neural center in medulla oblongata and adrenal medullary hormones.