Dry bones (4A0)
The concept of what is below the skin in explored through a look at the skeleton.

Playing time: 8 min (V687)

Bone test (4A1)
An experiment to look at the strength of bones through a model using paper.

Playing time: 4 min (V688)

Bendy bones (4A4)
An experiment to find out about some other properties of bones that will surprise viewers.

Playing time: 3 min (V689)

Plaster casts (4A5)
A look at growing and changing through plaster casts of the feet of a family.

Playing time: 8 min (V690)

Growing and changing
Child at 2 months.
Playing time: 1 min (V558)

Growing and changing
Child at 5 months.
Playing time: 1 min (V559)

Growing and changing
Child at 8 months.
Playing time: 1 min (V560)

Heart pump (4A7)
A model of how a heart pump works.

Playing time: 2 min (V691)

Heart monitor (4A7)
A look at a device for finding out what your heart is doing, and which you wear on your wrist.

Playing time: 2 min (V692)

Dinosaur stomach (4A9)
A model of the way dinosaur stomachs worked (and other modern ruminants).

Playing time: 5 min (V693)

Water skeleton (4A10)
Examining how animals without any kind of skeleton (such as slug) manage to live and get about.

Playing time: 2 min (V694)