In heart beat, during each cycle phase of contraction called___________?

Circulation and Gas exchange MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Circulation and Gas exchangezoology-mcqs › circulation-and-gas-exchange
Published
21 Feb 2025
Last updated
28 May 2026

Browse all Circulation and Gas exchange MCQs

Choose the correct answer

Explanation

A. Systol B. Diastole C. Both A, B D. None of these

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