Dr AK Medical Hub

Dr AK Medical Hub DrAK Medical Hub is an educational channel by Dr. Ayaz Ali, MBBS Graduate, focused on FSc Biology, MDCAT Biology, and Nursing Entrance Test Preparation.

Get easy-to-understand Biology lectures, important Biology MCQs, solved past papers with explanations.

02/09/2026

Phases of Heart Beat | S.A Node & A.V Node | Circulation – Class 11 Biology
How does the heart generate and control each heartbeat?
In this short Biology lecture, learn the Phases of Heart Beat and the important roles of the S.A Node (Sinoatrial Node) and A.V Node (Atrioventricular Node).
📚 Topic: Circulation
🎓 For: Class 11/FSc Biology, MDCAT & Nursing Entrance Tests
Follow DrAK Medical Hub for more Biology concepts, MCQs and exam-focused lectures.

02/09/2026

Phases of Heart Beat | S.A Node & A.V Node | Circulation – Class 11 Biology
How does the heart generate and control each heartbeat?
In this short Biology lecture, learn the Phases of Heart Beat and the important roles of the S.A Node (Sinoatrial Node) and A.V Node (Atrioventricular Node).
📚 Topic: Circulation
🎓 For: Class 11/FSc Biology, MDCAT & Nursing Entrance Tests
Follow DrAK Medical Hub for more Biology concepts, MCQs and exam-focused lectures.

01/09/2026

Phases of Heart Beat | S.A Node & A.V Node | Circulation – Class 11 Biology
In this short Biology lecture, learn the Phases of Heart Beat and the important roles of the S.A Node (Sinoatrial Node) and A.V Node (Atrioventricular Node).
📚 Topic: Circulation
🎓 For: Class 11/FSc Biology, MDCAT & Nursing Entrance Tests
Follow DrAK Medical Hub for more Biology concepts, MCQs and exam-focused lectures.

01/09/2026

Phases of Heart Beat | S.A Node & A.V Node | Circulation – Class 11 Biology
In this short Biology lecture, learn the Phases of Heart Beat and the important roles of the S.A Node (Sinoatrial Node) and A.V Node (Atrioventricular Node).
📚 Topic: Circulation
🎓 For: Class 11/FSc Biology, MDCAT & Nursing Entrance Tests
Follow DrAK Medical Hub for more Biology concepts, MCQs and exam-focused lectures.

01/09/2026

Phases of Heart Beat | S.A Node & A.V Node | Circulation – Class 11 Biology

In this short Biology lecture, learn the Phases of Heart Beat and the important roles of the S.A Node (Sinoatrial Node) and A.V Node (Atrioventricular Node).
📚 Topic: Circulation
🎓 For: Class 11/FSc Biology, MDCAT & Nursing Entrance Tests
Follow DrAK Medical Hub for more Biology concepts, MCQs and exam-focused lectures.

28/08/2026

Human Heart explained in a simple and easy way!
Learn important concepts of the Human Heart and Circulation chapter, specially useful for FSc Biology, MDCAT, and Nursing Entrance Test preparation.
📚 Want to learn the complete topic?
Visit DrAK Medical Hub on YouTube for complete Biology lectures, important MCQs, and past paper solutions.
👉 Visit the channel and subscribe for regular exam-focused Biology preparation.
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27/08/2026

Human Heart | FSc Biology | MDCAT | BSN & Nursing

Learn an important concept about the Human Heart from the FSc Biology chapter Circulation. This short lecture clip is useful for FSc Biology, MDCAT, BSN, and Nursing students preparing for their exams.

In this clip, Dr. Ayaz Ali explains an important concept related to the structure of the heart, heart valves, chambers of the heart, and blood circulation through the heart in a simple and exam-oriented way.

🎓 For: FSc Biology • MDCAT • BSN • Nursing
📚 Subject: Biology
🫀 Chapter: Circulation
📺 Full Human Heart Lecture: Available on DrAK Medical Hub

Subscribe to DrAK Medical Hub for easy-to-understand Biology lectures, important concepts, and exam preparation for FSc, MDCAT, BSN, and Nursing students.

14/08/2026

Learn the Na⁺/K⁺ pump (Sodium-Potassium Pump) in a simple and easy way.

MDCAT-2026 Rescheduled
06/08/2026

MDCAT-2026 Rescheduled

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