Answer:
B. CO2 out
Explanation:
The excretion is the process of removal of the waste product from the body. The carbon dioxide is the byproduct of the aerobic respiration, which is carries from the tissues and the lungs by blood. In the lungs at alveoli, the carbon dioxide is transferred from the blood to the lungs and released out through the nostrils. Hence, the out of the carbon dioxide represent excretion through lungs.
bam...easy...............
Bestie provide some answers
Answer:
population is number of inhabitants in area or place
Answer:
A purulent wound produces fluid which are releases from the purulent wound. Basically, it is the type of the fluid which are produced in the form of milky type and it is the symptoms of the infection in the body. It is also known as purulent drainage, which are basically the sign of infection in the wound or hole in the skin of our body and then it needs proper treatment.