The push up task which is part of the fitnessgram measures what physical fitness component question 19 options:
a) muscular strength
b) aerobic capacity
d) body composition save
i think the answer is a0. hope this (:
image result for what will happen if air sacs are damaged?
when emphysema develops, the alveoli and lung tissue are destroyed. with this damage, the alveoli cannot support the bronchial tubes. the tubes collapse and cause an “obstruction” (a blockage), which traps air inside the lungs. too much air trapped in the lungs can give some patients a barrel-chested appearance.
anatomy is the identification and description of the structures of living things. it is a branch of biology and medicine.
so that we may treat people when they are ill. so that we may be able to prevent said illness. so that we can one day fully understand how our bodies work and how they respond to diseases.