In humans, the medulla region of the brain is mainly responsible for the regulation process of respiration. It is also called the respiratory rhythm centre. The chemosensitive area located near the respiratory centre sends signals across nerve impulses to alter the rate of expiration to eliminate compounds.
Three reasons a species could become extinct include, deforestation, being overhunted, not enough food available.
I am not sure but I think the answer is B the Andes glaciers will disappear
Answer: increased
Explanation: the more you have the better you can tell where something is acting on you, ie touch
Answer:
The amount of CO2 found in the atmosphere varies over the course of a year. Much of this variation happens because of the role of plants in the carbon cycle. Respiration happens all the time, but dominates during the colder months of the year, resulting in higher CO2 levels in the atmosphere during those months.
Explanation:
