Arachnids, spider species, most have venom to subdue prey, which run through preys, circulatory system, the venom partially digest the prey to make it digestible for the spider, so they drink the partially digested blood to gain nutrients..
Water cycle
sun
never
evaporation
transpiration
condensation
precipation
run-off
This is the integumentary system which is also your skin system
Explanation:
the most common gas in the atmosphere is nitrogen and oxygen followed by CO2 etc...
