Blood transports many substances around the body.
The Table shows some of these substances.
Table
| Substance | Transported from | Transported to |
|---|---|---|
| oxygen | lungs | body cells |
| carbon dioxide | body cells | |
| urea | liver | |
| glucose | small intestine | body cells |
Complete the Table.
Name the part of the blood that transports oxygen.
Name the part of the blood that transports urea.
Red blood cells do not have a nucleus.
Explain how this helps red blood cells to carry out their function.
114 exam-style questions on OCR GCSE Biology 2.2 The challenges of size, covering 2.2.1 Exchange surfaces and surface area : volume ratio, 2.2.2 Substances transported in organisms, 2.2.3 The human circulatory system, 2.2.4 The heart and blood vessels, 2.2.5 Red blood cells and plasma, 2.2.6 Uptake of water and mineral ions by plants, 2.2.7 Transpiration and translocation, 2.2.8 Xylem and phloem, 2.2.9 Environmental factors and water uptake, and 2.2.10 Using a potometer. Each one has a worked solution and a mark scheme showing where the marks go.