Complete a heart and circulatory system quiz Download free circulatory system quizzes, puzzles and memory games from Curiscope A heart to print out and label Try the heartbeat calculator Play the Blood Typing game and find out more about blood types Best kids' books about the circulatory system...
The Human Circulatory System comprises the heart, blood vessels, blood, lymph, arteries, capillaries and veins. Discover more about circulatory system at BYJU'S
Leeches are blood-sucking annelids that constitute the subclass Hirudinea. They are hermaphrodites with a dorso-ventrally flattened body. Here, let's learn more about the open circulatory system of leeches.
Ask them to relate the things that went wrong in the factory models with things that can go wrong in the human circulatory system. Discuss with students the things they can do to avoid those problems and keep their hearts and circulatory systems healthy. Additional resource How can you model ...