Control of breathing, diseases and Laboratory work 3
Answers are for parents and teachers.
1
Write nervous and humoral regulation of breathing as a scheme.
CO₂ rises → centre excited → impulse to muscles → faster, deeper breathing → CO₂ removed.
2
Write 4 rules to protect others when you have a cold or influenza.
Stay home, cover with tissue or elbow, wash hands with soap, personal dishes and towel.
3
Write a 5-sentence explanation of the harm of smoking for a friend.
Smoke has many toxic substances; damages alveoli and vessels; cough and cancer risk; dependence; harms others too (passive smoking).
4
Write your chest measurement results and a conclusion.
The circumference grows in deep inhalation and decreases in exhalation – the chest changes volume with breathing.
5
What should be done with shortness of breath or a long-lasting cough?
Tell adults; for shortness of breath call 103 at once; see a doctor for a long cough.