Answer: Plasma.
- A Cytoplasm
- B Lymph
- C Serum
- D Plasma
Correct answer: D. Plasma
Explanation: Plasma is the straw-coloured fluid matrix of blood that carries blood cells, nutrients, hormones, and waste products 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.