Grade 8 · Biology
This quiz helps revise “Blood and circulation” in Biology for grade 8. It has 25 questions in five categories: Blood components, Heart anatomy, Blood vessels, Circulation routes, Clotting and types. Questions get harder as the points go up, from 100 to 500.
The 100- and 200-point questions are open here. The rest show only their first words, and there are no answers: all of that is in the game itself.
What is the liquid part of blood that carries cells and dissolved substances?
What blood cells help defend the body against infections as part of the immune system?
Which iron-containing blood protein…
In the gameWhich tissue inside…
In the gameWhat lab value measures…
In the gameWhich lower heart chamber pumps oxygen-rich blood to the body?
Which upper heart chamber receives oxygen-poor blood returning from the body?
What wall separates the…
In the gameWhat is the thick…
In the gameWhich node normally initiates…
In the gameWhat is the largest artery carrying blood from the heart to the body?
What are the tiniest vessels where substances are exchanged between blood and tissues?
What structures in many…
In the gameWhat pair of large…
In the gameWhat is the narrowing…
In the game
What circulation carries blood between the heart and lungs?
What circulation carries blood between the heart and tissues throughout the body?
Which heart chamber first…
In the gameWhich heart chamber pumps…
In the gameWhat vessels supply blood…
In the gameWhat small cell fragments gather at a vessel injury and help form a plug?
Which ABO type has neither A nor B antigens on the surface of red blood cells?
Which insoluble protein forms…
In the gameWhat is the clumping…
In the gameWhich blood-group system is…
In the gameAll 25 questions and the answers are in the game. Invite your class or friends with a link — guests need no account.