A. the runner's muscles have accumulated lactic acid.. I think. 99% sure
Answer:
A retrovirus is an RNA virus that is duplicated in a host cell using the reverse transcriptase enzyme to produce DNA from its RNA genome. The DNA is then incorporated into the host's genome by an integrase enzyme. The virus thereafter replicates as part of the host cell's DNA.
That should be sensitivity. it's what we react to the environment. we can detect what is happening in the environment.
there are 7 different characteristic of living things, and sensitivity is one of them
Juglar Vein
This vein drains blood from head to heart.
Sub-clavian Vein
This vein drain blood from shoulder to heart.
Answer:
CO2 and H2O is correct and now I just have to fill space sooooo