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vfiekz [6]
1 year ago
14

Specific excretory organs are absent in unicellular organisms belong to the phylum.

Medicine
1 answer:
jok3333 [9.3K]1 year ago
3 0

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.

If you need to learn more about excretory organs click here:

brainly.com/question/28302813

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What percentage of native americans died from disease.
Kobotan [32]

Answer:

90%

Explanation:

When the Europeans arrived, carrying germs which thrived in dense, semi-urban populations, the indigenous people of the Americas were effectively doomed. They had never experienced smallpox, measles or flu before, and the viruses tore through the continent, killing an estimated 90% of Native Americans.

6 0
2 years ago
A 72-year-old man with a long standing history of inadequately controlled hypertension and type II diabetes presents with sudden
Vinil7 [7]

Answer: The answer is <u>C; left pons</u>.

Explanation:

The patient presents with the symptoms that are common with dysarthria-clumsy hand syndrome. This is one of the lacunar stroke syndromes where dysarthria is common. A x-ray or other imaging would reveal lesions in the contralateral pons.

4 0
3 years ago
Imagine that you have been drinking a large amount of relatively pure water over the course of the day, enough to drop the osmol
marusya05 [52]

Answer:

the correct answer is C

Explanation:

Faced with this situation, there is hyposmolarity that excessively increases the solvent and the solute is found in a lower concentration in the solution, in this case when speaking of the organism we would be speaking of blood.

The blood volume will increase, the blood pressure too, therefore the glomerular filtration will be higher and the urine will be increased but with less concentration of solutes, therefore hyposmolar.

In the case of the respiratory system, part will excrete as water vapor and another will excrete the epithelium as perspiration.

For all this that occurs in the body, the person will then be less thirsty than usual until equilibrium is reached, since the pressure will be increased, the osmolarity will be decreased and the renal excression will also be increased until the moment they reach the volemia and the balanced osmolarity. system

3 0
3 years ago
When caring for a client who's being treated for hyperthyroidism, the nurse should?
valkas [14]

When caring for a client who's being treated for hyperthyroidism, the nurse should balance the client's periods of activity and rest.

  • Encouragement is needed to balance periods of exercise and rest for a client with hyperthyroidism.
  • Many patients with hyperthyroidism report feeling overheated and being hyperactive.
  • As a result, it's crucial to maintain a cool environment and teach the client how to control his physical reactions to heat.
  • Instead of hyperthyroidism, clients with hypothyroidism complain of being cold and require warm clothing and blankets to stay at a suitable temperature.
  • Additionally, they get thyroid replacement medicine, frequently experience fatigue and sluggishness, and have a propensity for constipation. To avoid constipation, the nurse should motivate clients with hypothyroidism to be more active.

learn more about hyperthyroidism here: brainly.com/question/9606769

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7 0
1 year ago
Selective serotonin reuptake inhibitors (ssris) are used to ______ reuptake and _____ the amount of serotonin in the cleft.
Maurinko [17]

Selective serotonin reuptake inhibitors (ssris) are used to <u>synaptic cleft </u>reuptake and <u>serotonin </u>the amount of serotonin in the cleft.

  • Antidepressants known as selective serotonin reuptake inhibitors (SSRIs) are frequently prescribed.
  • They are frequently prescribed in conjunction with a talking therapy like cognitive behavioral therapy to treat depression, especially persistent or severe cases (CBT).
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  • A neurotransmitter is typically produced from the axon terminal after an action potential has reached the synapse, the location where neurons can communicate with one another.

learn more about serotonin here:

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7 0
2 years ago
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