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Debora [2.8K]
3 years ago
10

Spiders have _____ to absorb salts and wastes while humans have microscopic subunits in the kidneys called _____ to filter blood

.
Biology
2 answers:
Natasha_Volkova [10]3 years ago
4 0
<span>nephrons ; Malpighian tubules. </span>
dolphi86 [110]3 years ago
4 0
<span>nephrons........... Malpighian tubules i think</span>
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