How does aerobic exercise prevent cardiovascular diseases? it you burn more calories, which reduces plaque in the arteries, so that your heart becomes more efficient at pumping blood. it warms your blood, making it more fluid, so that your heart can pump more efficiently and slowly, creating less stress on the heart. it makes your heart beat faster to supply more oxygen, which makes the heart stronger and enables it to pump blood more efficiently. it lowers your blood pressure, which allows your heart to better dispose of fat cells before they form plaque on the artery walls. nextreset

Polydactyly is expressed when an individual has extra fingers and/or toes. assume that a man with six fingers on each hand and six toes on each foot marries a woman with a normal number of digits. having extra digits is caused by a dominant allele. the couple has a son with normal hands and feet, but the couple's second child has extra digits. what is the probability that their next child will have polydactyly? polydactyly is expressed when an individual has extra fingers and/or toes. assume that a man with six fingers on each hand and six toes on each foot marries a woman with a normal number of digits. having extra digits is caused by a dominant allele. the couple has a son with normal hands and feet, but the couple's second child has extra digits. what is the probability that their next child will have polydactyly? 1/8 1/32 3/4 7/16 1/2