Write what the following statement refers: Cells able to store and use energy quickly.

Give reason: Cells must vary in shape and size.

Mention four of the body's systems that work together when playing football.

A system made up of bones ,muscles ,ligaments,

tendons and cartilages

(a)  

- What happen when you straight your arm?

Front muscle:............ Back muscle:.................

(a)  

Muscle cell able to store and use (a)  

Quicly

Give reason

Muscle cell doesnt work alone

List the components of muscloskeletal system

Transport blood carrying nutrients ,oxygenand hormones to all body parts

(a)