O Level Biology MCQs – Certification Test 1425

Mode of action of heart Trivia (Question 1425) – App & e-Book Download

Download eBook:

Mode of action of heart Book with Trivia – Google eBook

Mode of action of heart Book with Trivia – Apple iBook

Mode of action of heart Book with Trivia – Kobo eBook

Apps:

MCQ 1425: The "dub" sound is produced when:

atria are fully contracted
atria start to relax
after the semilunar valves are closed
after the bicuspid and tricuspid valves suddenly close

Previous MCQ

Next MCQ

O Level Biology Trivia App & e-Book – Mode of action of heart Study Guide

Basal Metabolism Test 1436

Spinal Cord and Nerves Test 1437

Leaf Adaptations for Photosynthesis Test 1438

Spinal Cord and Nerves Test 1439

Food Chain and Web Test 1440

Bile and Origination and Functions Test 1441

Internal Skeleton Test 1442

Dormancy and Seed Germination Test 1443

Introduction to Biotechnology Test 1444

Free Mode Of Action Of Heart Practice App – Download for Android & iOS

The App: Mode of action of heart Trivia App to Study Mode of action of heart Notes, O Level Biology Trivia App, and Cell Biology Trivia App for biology internet tutorials.

Download the "Mode of action of heart Trivia" App: Free O Level Biology Trivia App (iOS & Android) to improve ecology knowledge. Download App Store & Play Store Learning Apps with all functionalities to optimize digital resources.