Answer: Arteries.
- A Capillaries
- B Lymphatic vessels
- C Arteries
- D Veins
Correct answer: C. Arteries
Explanation: Arteries are blood vessels that carry blood away from the heart, typically under high pressure, to tissues throughout the body.
A single ECG cycle: the P wave marks atrial depolarisation (contraction signal), the large QRS complex marks ventricular depolarisation, and the T wave marks ventricular repolarisation (recovery) before the next cycle begins.
Concept context
Blood, lymph, the heart, the cardiac cycle, blood pressure, and ECG. High NEET weightage.