Answer:the last one
Explanation: red blood cells are round in order to move easily through blood vessels.
Answer;
It is a saccharolytic organism that can utilize carbohydrates anaerobically, therefore there is no evolution of co2.
Explanation;
A saccharolytic bacterium is a microbe having the ability to generate energy by metabolizing carbohydrates.
They include both heterotrophic and autotrophic organisms and transform sugars under aerobic and anaerobic conditions.
The energy-generating metabolic processes for obligate anaerobes are not coupled with the consumption of oxygen, oxygen kills the organisms.
I believe the answer is D
I don’t think it’s insane, it’s just how is humans are. I don’t think it’s nice. I was very aware about the situation as a whole, bit it’s what people have been doing for years, like years and years. It’s kinda human nature
Answer:
Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface. Permeable walls - allow gases to pass through. Extensive blood supply - ensuring oxygen rich blood is taken away from the lungs and carbon dioxide rich blood is taken to the lungs.
