The diagram shows the ribcage.
Cartilage joins each rib to the sternum. This allows the ribs to move.
Explain why it is important that the ribs can move.
Important Questions on Respiration and Circulation
The diagram shows the ribcage.
The diagram shows two blood vessels.
Name each of the vessels shown in the diagram.
The diagram shows two blood vessels.
Explain why vessel A has thick elastic walls.
Some scientists collected data to investigate the link between height and lung volume. They measured the height and lung volume of a group of men aged between 20 and 30. The results are shown below.
Describe what this data shows about the correlation between height and lung volume.
Some scientists collected data to investigate the link between height and lung volume. They measured the height and lung volume of a group of men aged between 20 and 30. The results are shown below.
One man in the investigation was an Olympic athlete. How tall was this man?
Hussain is growing plants. He waters them every day. Once a week he adds fertiliser to the soil.
Name the specialised cells in the plants that absorb water and minerals.
Name the specialised cells in the plants that transport water and minerals up the stem to the leaves.
Hussain is growing plants. He waters them every day. Once a week he adds fertiliser to the soil.
If plants do not get enough nitrates they don't grow properly. Explain why.
