More cards in this set

what is the word equation for aerobic respiration?

why do muscles become fatigued during vigorous exercise?

what changes occur to the breathing and heart rate during exercise?

why do blood vessels in the muscles dilate during exercise?

explain what is meant by an 'oxygen debt'.

why do cells divide by mitosis?

how many chromosomes does a human have in each body cell?

which type of cell division produces sex cells?

what molecule are genes made from?

what are 'alleles' ?