Carbon Dioxide or CO2 is the waste product of the Krebs Cycle
Answer:
Uhhhh false, multicellular means a living thing made up of two or more cells soooooooooo...
Explanation:
Answer:
c
Explanation:
Gas exchange. Gas exchange occurs as a result of respiration, when carbon dioxide is excreted and oxygen taken up, and photosynthesis, when oxygen is excreted and carbon dioxide is taken up. The rate of gas exchange is affected by: the area available for diffusion.
B) Flu is easily transmitted from person to person.
If there is a very big population density, it means more people are present in a small amount of space. Thus they will come into contact more often and the virus is likelier to spread more rapidly.
It's all dependent on the amount of oxygen your lungs take in and deliver to the heart