The questions in this quiz are suitable for GCSE biology students studying the circulatory system, the heart, circulation, control of the heart rate, blood vessels, blood, white blood cells, ...

Water and nutrients are important to keep living things alive and healthy. Animals, including humans, get these from what they eat and drink, but how do the water and nutrients get transported around ...

The circulatory system includes the heart, blood vessels and blood, and is vital for fighting diseases and maintaining homeostasis (proper temperature and pH balance). The system's main function is to ...