Answer: Subclavian veins.
- A Aorta
- B Hepatic portal vein
- C Subclavian veins
- D Pulmonary artery
Correct answer: C. Subclavian veins
Explanation: Lymph collected by the thoracic duct and right lymphatic duct is emptied back into the bloodstream at the junctions with the subclavian veins.
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.