One of the most intelligent invertebrate animal is the octopus. These animals belong to the cephalopod class of molluscs. These animals demonstrate relatively complex reasoning especially when capturing prey. They also demonstrate their intelligence by their communicating skills and some even show signs of learning.
<span>The middle childhood is the period between ages 7 and 11.</span>
One of the major advances in brain function in middle childhood is the development of automatization. Children this age can master plenty of skills with a little motivation and a lot of practice.
<span>They also immerse themselves in play and it is important for them to get a lot of healthy, physical activity.</span>
Molten material is allowed to solidify into the final shape.
Casting defects occur during solidification:
Gas porosity
Shrinkage
Two stages of solidification:
Nucleation
Growth
-it transports nutrients in the body
-it circulates macrophage in the body
