Explain how change in blood flow to a runner's muscles helps him to run.
An increase in blood flow to the skeletal muscles means that more glucose and oxygen is delivered to the muscles via the blood. These are both needed in aerobic respiration to produce ATP/ energy for muscle contraction.
SW
Related Biology GCSE answers
All answers ▸Explain the similarities and differences between plant and animal cells structure and shape (may include use of a diagram and bullet points are accepted).
Explain the effect of temperature and pH on enzyme-catalysed reactions:
What are alleles and what are their function?
What are is the function of a ribosomes and what is it made from?