Answer:
Respiratory System:
●avoid intake of harmful chemicals.
●have regular exercise for better breathing.
●have foods rich in vitamins
Nervous System:
●have yourself to exercise your brain with some activities
●avoid getting fatigue by having enough sleep
●have enough intake of food to boost system
Circulatory System:
●have exercises good for the heart and circulation
●like the nervous system, have enough sleep to avoid weakened heart
●have a regular intake of foods rich in vitamins like lycopene
Explanation:
Hope this help:)
