Jamie could of got asthma from the environment he lives in because he lives in the city were there cars and possibly factory that are giving off co2 or the other factors are the chemicals used it the food he ate before becoming a veagan and the chemicals used in the water plant that cleaned and made his water drink abule
<span>a: There is a unidirectional blood flow.
d: Arteries carry blood away from the heart.
e: Veins carry blood toward the heart.</span>
Answer:
false
Explanation:
when you exercise and your muscles work harder, your body uses more oxygen and produces more carbon dioxide. To cope with this extra demand, your breathing has to increase
A) Skinfold test is the test that uses calipers to assess body composition.