What vestigial structures do embryos have?

Write a paragraph about why the respiratory system is important and we need to breathe easily. (guys i really need ) x(

The 1.5 mile run test and the 12 minute swim test are considered as what kind of test ?

Analyze the impact of the availability of health services in the community and the world. research various school and community health services for people of all ages such as vision and hearing screenings and immunization programs. identify situations requiring professional health services for people of all ages such as primary, preventive, and emergency care.