<span>Mannitol reduces the intracranial hypertension in patients with head injury. this chemical which is a sugar- alcohol lowers the viscosity of the blood and thus reducing the blood volume. Head injury may lead to increased intracranial pressure and volume. It is also believed that mannitol acts by reducing brain water.</span>
Answer:
Early land animals had both lungs AND gills, and their bodies consisted of few hard parts. Meaning they lacked things like an exoskeleton for instance. Animals today have either lungs OR gills and many have protecting hard parts of their bodies.
Explanation:
You can reduce the levels of matter pollution by reducing the amount of particulate matter produced through smoke and by reducing vehicle emissions. Reduce the amount of particulate matter produced through any types of smoke.