Science Buddies
Science Buddies: Heart Rate Recovery Times
After exercise, your heart rate increases, this is normal for everyone. However this experiment asks whether the recovery time for a heart's beating rate is faster for people who get regular exercise versus those that do not.
Science Buddies
Science Buddies: A Day in the Life of Your Heart
Heart rates can be determined by the amount of physical activity your body is engaging in. The more physically active you are, the faster your heart beats. You can measure the rate your heart is beating by taking your pulse. This science...
Science Buddies
Science Buddies: Heart Health: How Does Heart Rate Change With Exercise?
Your heart starts beating before you are born and keeps right on going through your whole life. Over an average lifetime, the human heart beats more than 2.5 billion times. Keeping your heart healthy means eating right, not smoking, and...
Texas Heart Institute
Texas Heart Institute: Heart Information Center: The Heartbeat
One-page article describes the pumping action of the heart.
Curated OER
Kids Health: Arrhythmias
A wealth of information on arrhythmias. Find out about the kinds of arrhythmias, causes, and treatments.
Science Buddies
Science Buddies: Can Your Body Temperature Tell the Time of Day?
If you have ever had to adjust to a new time zone, you have noticed that it takes a while before you start to feel normal again. By shifting your sleep and activity schedule, you have altered the pattern of your body's circadian rhythms....
Curated OER
Kids Health: Old Wives' Tales
Will wearing shoes help a baby walk sooner? Does caffeine stunt a child's growth? Does chocolate cause acne? Find old wives' tales about pregnancy, infants, food, coffee, and illness, and answers to the above questions.
Texas Heart Institute
Texas Heart Institute: Heart Information Center: Arrhythmia
One-page article provides useful information on arrhythmia, including categories, symptoms, diagnosis, and treatment.