A muscle cell in the leg needs a supply of glucose. Which organ systems take in the glucose and then carry it to the muscle cell?
The circulatory system takes in glucose and the digestive system carries it
The respiratory system takes in glucose and the circulatory system carries it
The digestive system takes in glucose and the respiratory system carries it
The digestive system takes in glucose and the circulatory system carries it
19 exam-style questions on AQA GCSE Biology 2.1 Principles of organisation, covering 2.1 Principles of organisation. Each one has a worked solution and a mark scheme showing where the marks go.