Squamous cells area one single layer and flattened, this allows for diffusion of oxygen and carbon dioxide to happen easily in the lungs.
Answer:
Birth is an example of a normally occurring positive-feedback mechanism.
Answer: Cerebrum
Explanation:
The primary sensory areas of the cerebral cortex receives and processes the somatosensory, visual, olfactory and gustatory information.
Then along with the cortical areas, the brain regions synthesize the sensory information into the perfections of the world.
It is the largest section of the brain which lies in the front or the top of the brain stem.
It is one of the five major divisions of the brain which is most developed.
An example of biodiversity is a greater variety of genes and species