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sweet-ann [11.9K]
3 years ago
12

Which organ contains circular muscles called sphincters that control the release of urine

Biology
1 answer:
Lady bird [3.3K]3 years ago
5 0
Bladder, I believe. But they are saying that my answer must be 20 Characters long...
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Why do globular proteins need to be an exact shape in order to make the body run correctly
cricket20 [7]

   

   mc zc v.,vs<>ms.,dmv

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3 years ago
Which of the following is a biotic factor that could reduce a population of frogs
Feliz [49]

C.

Biotic mean alive, so we can cut off the first 2 easily. Aquatic birds eat frogs, so that one is safe for now. A decrease in something parasitic usually helps the population, so D is out too. The only one left is C.

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Which layer of the dermis houses the nerve endings that are sensitive to touch and pressure?.
erastovalidia [21]

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Reticular layer

Explanation:

8 0
2 years ago
¿Qué les explicarías y con qué argumentos basándote en conocimientos científicos para convencerlos de practicar el distanciamien
olga nikolaevna [1]

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Experimentos de índole descriptiva han demostrado que diferentes tipos de virus no pueden desplazarse por aire, con lo cual estas estrategias resultan efectivas para evitar su esparcimiento en la población

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El distanciamiento social y el uso de barbijos son herramientas útiles para combatir la propagación de muchos virus, especialmente aquellos con un alto indice de infección, como es el caso del nuevo Coronavirus Sars-Cov-2 el cual está asociado a un síndrome respiratorio agudo que puede incluso llevar a la muerte del individuo. Sars-Cov-2 es un virus muy peligroso porque todavía no contamos con un tratamiento efectivo tal como, por ejemplo, una vacuna que permita generar una respuesta inmunológica permanente contra el virus. De este modo, es imprescindible evitar la propagación del virus hasta que la comunidad científica pueda desarrollar un tratamiento efectivo.

4 0
4 years ago
Which of the following are among the most common second messengers?
Anvisha [2.4K]

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4. calcium ion and cAMP

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Second messengers are the intracellular chemicals that are produced for signal transduction and generation of cellular response when a water-soluble hormone binds to its cell surface receptors. Since water-soluble signaling molecules such as protein hormones cannot cross the cell membranes of their target cells, their binding to the respective receptors triggers the production of an intracellular second messenger. The most common second messenger molecules are cAMP and calcium ions. For example, protein hormones bind to their G-protein linked membrane receptors and trigger the synthesis of cAMP in their target cells.

8 0
3 years ago
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