Because the more someone exerts themselves the more oxygen and carbon dioxide out put ratio is greater. The more you run and the faster you run the more oxygen you loose which is supplied to your muscles including your lungs.
The birth rate is also referred to as population rate and the death rate is also known as mortality rate.
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Answer:
Protective factors are conditions or attributes in individuals, families, communities or the larger society that help people deal more effectively with stressful events and mitigate or eliminate risk in families and communities.
Protective factor examples
1.Positive attitudes, values or beliefs.
2.Conflict resolution skills.
3.Good mental, physical, spiritual and emotional health.
4.Positive self-esteem.
5.Success at school.
6.Good parenting skills.
7.Parental supervision.
8.Strong social supports.
post-exposure prophylaxis. PEP for short. It involves taking medicine after contact with HIV.
Treatment must begin within 72 hours. PEP is only available from a healthcare provider, emergency room, urgent care clinic, or HIV clinic.
It is not 100% effective. And follow-up
HIV testing is required