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How can we treat coronary heart disease? (OCR 21st century Biology)

Well, what is coronary heart disease?Coronary arteries are blood vessels that supply the heart muscle with food and oxygen With these nutrient, these muscle cells can respire and release energy for muscle...

Answered by Pan M. Biology tutor
1739 Views

What does ADH do and how does it work?

Anti-diuretic hormone (ADH) is a hormone produced to help maintain the amount of water in the body when it is dehydrated. Water passes into the Bowman's capsule from the blood in the glomerulus in the nep...

Answered by Lauren B. Biology tutor
4878 Views

Difference in structure of arteries and veins and how this relates to their function

Blood vessels allow blood to be circulated around the whole body for delivery of oxygen/nutrients and removal of waste products. The structure of arteries and veins helps...

Answered by Dougal T. Biology tutor
1617 Views

How are plant leaves adapted for photosynthesis?

Key Factors of Photosynthesis:LightWaterC02Therefore, adaptations are to maximise the absorption/use of these substances. Large surface area = maximum light absorptionThin, flattened surface = smaller dif...

Answered by Ella H. Biology tutor
4145 Views

How do I gain a high mark for DT coursework?

Make sure you read the mark scheme and really understand it. Have a text box on each page explaining everything that page will show, and everything you learnt from it.Always ask for feedback from your tea...

Answered by Megan H. Design & Technology tutor
2761 Views

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