When we breathe, our respiratory system takes up oxygen and carbon dioxide or other useless gases go out . The oxygen combines with the haemoglobin in the blood of the circulatory system . This is transferred to all the cells of our body to get energy.
Answer:
true
Explanation:
a virus needs a host to replicate its like fleas they lay eggs on dogs to replicate
Well I not a computer Genius but no well yes
<span>a)there would be a decrease in consumers
</span>
The protest that is present in
toothpaste belongs to the phylum Chrysophytes species Diatoms. It has a
flexible cell membrane which is made of silica. This will help them keep their
cells shape, provides protection and helps keep water in its body.
