1.John has very good body co-ordination to become a free style dancer. Which system is involved in carrying out such co-ordination?
1. Nervous system
2. Muscular system
3. Respiratory system
4. Circulatoery system.
2. Adam is a national footbal player, he practices the game from 6am to 6pm and gets very limited time to rest. The muscle in his body that works without rest is the
1. Cardiac muscle.
2. Striated muscle
3. Non-straited muscle
4. Antagonistic muscle
