Spiders have malpighian tubules<span> to absorb salts and wastes while humans have microscopic subunits in the kidneys called </span>nephrons to filter blood. Malpighian tubules<span> remove wastes from insects by producing urine and solid nitrogenous waste, which are then excreted from the body.</span>
Answer: P= (Lx2)+(Wx2)
A=Bxh
Explanation:depends if you are finding area or perimeter. Area is base multiply by height (or length times width).
Perimeter is base times 2 plus width times 2 (or add all the sides up)
Diffusion -SKx is your answer. Hope this helps! ;D
Answer:
Parietal cells in the gastric glands in the stomach.
Explanation:
The main constituent of gastric acid is hydrochloric acid produced and that is roduced by parietal cells in the gastric glands in the stomach.
<span>The fossil Archaeopteryx is a species linking dinosaurs and birds (or modern birds)</span>
