The four-chambered engine
The spark of life
Mapping the flow
Hearts under pressure
YOUR GOAL
Master of How the heart works
artiteacher Hearts under pressure
I've got my own electric spark, so I can beat completely on my own!
artiteacher Without the pull of gravity, astronauts' hearts actually shrink and become more spherical.
artiteacher Extreme emotional stress can trigger a temporary physical condition that mimics a heart attack.
Space hearts: Astronauts on the International Space Station must exercise two hours daily to prevent their hearts from weakening in microgravity.
A chronic medical condition in which the blood pressure in the arteries is persistently elevated. In 1896, Scipione Riva-Rocci invented the mercury sphygmomanometer to help clinicians easily diagnose this condition.
What is the peak heart rate of a human fetus around the ninth week of pregnancy?
Why does the human heart shrink slightly when living in a microgravity environment?
Approximately how many days after conception does a human embryo's heart begin to beat?
What is the medical name for 'broken heart syndrome,' first identified in Japan?
What hormone floods the body during extreme stress to cause Takotsubo cardiomyopathy?
How much heart muscle mass can an astronaut lose during long-term spaceflight without exercise?
How many liters of blood can an athlete's heart pump per minute during peak exercise?