Specific excretory organs are absent in unicellular organisms belonging to the<u> phylum Porifera.</u>
The organisms of the phylum Porifera are classified under the kingdom Animalia and they lack specific organs in their bodies.
The word "Porifera" refers to pore-bearing organisms.
These animals have loosely organized cells and are found in freshwater marine ecosystems.
On their body, a large number of pores - Ostia - are present which perform various functions such as excretion.
However, respiratory gases and waste materials are exchanged through a diffusion process.
Moreover, in them, reproduction takes place through fragmentation and budding.
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Answer:
If they are small enough pick them up and lean them forward over one arm and firmly clap them on the back to try and dislodge the candy. If the child is bigger the basic heimlich maneuver should be used. If candy is still stuck call 911.
Explanation:
The heimlich maneuver is done by making a fist and holding/cupping the fist with your other hand while positioned behind the choking person give firm upward thrusts to the area just below the sternum.
Answer: Study, do actual good things with your time for example (you could be doing anything else right now except making this question).