03:24

Health

How much sleep do you actually need?

Lesson duration 03:24

11,559,162 Views

05:11

Health

What is obesity?

Lesson duration 05:11

1,153,924 Views

03:47

Physical Fitness

How playing sports benefits your body ... and your brain

Lesson duration 03:47

2,530,291 Views

04:27

Health

The benefits of good posture

Lesson duration 04:27

16,152,447 Views

05:05

Health

Why sitting is bad for you

Lesson duration 05:05

9,139,174 Views

03:25

Nutrition

What does the liver do?

Lesson duration 03:25

3,114,269 Views

03:22

Health

How do the lungs work?

Lesson duration 03:22

3,229,597 Views

04:23

Motivation and Emotion

Overcoming obstacles

Lesson duration 04:23

1,140,438 Views

03:33

Physical Fitness

Beach Bodies (in spoken word)

Lesson duration 03:33

248,866 Views

05:19

Physical Fitness

How breathing works

Lesson duration 05:19

416,340 Views