Understanding the Human Circulatory System
Test your knowledge about the amazing system that keeps blood flowing through your body!
Loading preview...
Test your knowledge about the amazing system that keeps blood flowing through your body!
Play through the questions and see your score instantly
8 questions · Quick play · Instant results
Turn any topic into a polished video quiz — with AI-powered questions, voiceover, and animations. No video editing skills needed.
Create as many quizzes as you want. Describe your topic and AI builds the questions, answers, and explanations for you.
Pick from stunning templates, tweak colours and fonts, add your branding, and choose between vertical or landscape formats.
Download HD videos optimised for TikTok, YouTube Shorts, Instagram Reels, or full-length YouTube — one click, no editing.
No credit card required
Review every prompt, the correct responses, and helpful context to prep for your own run-through.
Just to regulate body temperature
Only to fight infections
Only to transport oxygen
To transport nutrients, oxygen, and waste products throughout the body
Left ventricle
Left atrium
Right atrium
Right ventricle
The valves close
The heart contracts
The heart relaxes
Blood flows into the heart
Veins
Venules
Capillaries
Arteries
Arteries have thicker, more muscular walls
Arteries are always larger than veins
Arteries only go away from the heart
Arteries carry only oxygen-rich blood
Valve flaps
Gravity
Blood pressure
Muscle contractions
Delivering blood to the brain
Delivering blood to the heart muscle
Circulating blood through the digestive system
Oxygenating blood in the lungs
Digesting nutrients
Regulating pH
Transporting hormones
Fighting infections
© 2026 Quiz.video. All rights reserved.