Answer: plasma.
- A plasma
- B only serum
- C lymph
- D bile
Correct answer: A. plasma
Explanation: Plasma is the pale-yellow liquid part of blood.
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.