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:
The correct answer is D.
Explanation:
ADH, <em>also called arginine vasopressin</em> is a hypothalamic hormone (storaged in the posterior pituitary) that <u>regulates body’s osmotic balance</u>.
ADH increases the amount of solute-free water reabsorbed from the one filtrated in the kidneys.
Also, increases peripheral vascular resistance due to the constriction of arterioles, and therefore raises blood pressure.
<u>Ethanol (alcohol)</u> reduces secretion of ADH by blocking voltage-gated calcium channels. As a result, <em>urine volume increases and this may cause dehydration.
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Answer:
Explanation:
They might lose control and fall or get injured some other way.
Answer:
I would say Option B
Explanation:
A controlled experiment is where you have two or more independent variables, that way you have an experiment to compare results with.
In a 5-year-old child is receiving dactinomycin and doxorubicin therapy after nephrectomy for wilms tumor. The intervention that the nurse include when planning care is: Demonstrating Meticulous Oral Hygiene.
<h3>What is oral hygiene?</h3>
Oral hygiene can be defined as the way of taking care of your mouth by brushing your teeth on a daily basis so as to prevent bacteria or disease.
Carrying our oral hygiene is important when taking drugs that can tend to have negative effect on a person oral mucosa and on of the side effect of doxorubicin is thrombocytopenia.
Therefore In a 5-year-old child is receiving dactinomycin and doxorubicin therapy after nephrectomy for wilms tumor. The intervention that the nurse include when planning care is: Demonstrating Meticulous Oral Hygiene.
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