Explain how shivering helps to raise a persons body temperature.
Shivering involves rapid contracting and relaxing of the muscles. This requires energy and so the muscle cells respire in order to release this energy in the form of heat.
AB
Related Biology GCSE answers
All answers ▸Describe and explain how blood in the right ventricle travels to the left atrium in the heart
Emphysema is a disease affecting the lungs. People with emphysema are often short of breath and find exercise difficult. Explain what happens to the lungs in this disease to cause the symptoms mentioned.
Explain the carbon cycle.
Describe the flow of blood through the human circulation