Human Growth and Development / Unit 15 HGD 2114 short lesson, about 20 seconds
Heart and Lungs
Captions available
The idea
Arteries stiffen and plaque builds with age, raising risks of hypertension and heart failure; heart disease is the most common cause of death after forty-five.
In practice
An older woman's heart attack presenting with nausea or jaw pain, delaying her treatment.
Where people slip
Respiratory efficiency declines slowly from the mid-twenties, and infections such as pneumonia become more serious in late life.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Builds on
Unlocks
- Nothing yet depends on this.
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