Answer:
active transport
Explanation:
I like to remember it by active transport has the name active, which means it requires activity
Answer:
B. Molecules move from areas of high concentration to areas of low concentration
Explanation:
Diffusion is the spread of something more widely.
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>
Yes its called photosynthesis, its how they make there own food. <span />
