Transport, protection and regulation. And the three being transported are Gases, namely oxygen (O2) and carbon dioxide (CO2),
The answer are the hands and feet. It is the continuously changes of the
characteristics of the body, most noticeable in height and weight. The ages 13-15 and 17-18 the two major brain
growth spurts occur. In times of growth spurts the changes is visible during the
first year of puberty.
For the answer to the question above, the answer is "Systemic Acquired Resistance''.
<span>it is a whole-plant resistance response and it occurs by following an earlier localized exposure to a pathogen. It is analogous to the innate immune system that can be found in the animals, and there is also an evidence that SAR in plants and innate immunity in the animals may be evolutionarily conserved.</span>
