Im going to have to go with C. they pass through channels in the cell membrane
It’s a type of Nucleotide
Answer:
This similarity indicates that mice share a common ancestor with humans. Mice have a tail, while humans have a tailbone
Circulatory system;<span>The circulatory </span>system<span> circulates blood through the </span>body<span>, </span>supplies<span> cells with </span>oxygen<span> and </span>nutrients<span> and</span>removes waste<span> products. Organs: heart, arteries, veins. ... The respiratory </span>system supplies<span> blood with
</span>oxygen<span> in the lungs and </span>removes<span> carbon dioxide.</span>
