The Texture And Look Of A Microscopic Object
True, the trachea is a cartilaginous tune that connects to the pharynx and larynx.
Answer:
they have increased
Explanation:
What happens with pollution is that every day are tons of CO2 liberated to the atmosphere. those tons of pollution supose to be regulated by the states, but that is not what actually happens in third world countries there is an almost uncontrolable increase of CO2 liberation at the atmosphere. In the first world countries it's more controlled but still haven't decreased the CO2 levels released into the atmosphere.
The CNN (an spanish daily paper) said: the CO2 levels are the highest in the last 3 million years, in a new released the past april.
Answer:
Breathing is the process of exchange of carbon dioxide and oxygen between the body and the environment. The exchange of gases depends upon the partial pressure of oxygen.
When the individual hold its breath, the amount of oxygen level in the body gets decreased. This increases the carbon dioxide level in the body. The increase in the carbon dioxide level reduces pH and increase the hydrogen ions in the body. The biocarbonate levels in the body also increases.
There are over 400 species of sharks. The most common are Spiny Dogfish Shark, the Blue Shark, and the Sandbar Shark.
