Answer:
أنا لا أرى ما هو تحته خط
Explanation:
for anyone that does not know this is arabic
Answer: California Department of Public Health (CDPH) Office of AIDS data indicate that of the reported 117,553 people living with HIV/AIDS in California in 2012, approximately 15 percent reported a history of injection drug use.
Explanation:
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:
Chyme is the semi-fluid mass of partly digested food that is expelled by a person's stomach, through the pyloric valve, into the duodenum (the beginning of the small intestine).