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konstantin123 [22]
3 years ago
6

Why do cats purr?///////////////

Biology
2 answers:
jenyasd209 [6]3 years ago
6 0

Answer:

Cats also purr when they are nervous or in pain, leading some experts to believe that this uniquely feline vocalization is actually a method of self-healing. A domestic cat's purr has a frequency of between 25 and 150 Hertz, which happens to be the frequency at which muscles and bones best grow and repair themselves.

Explanation:

melisa1 [442]3 years ago
4 0

Answer:

it is there defense mechanism

Explanation:

they purr because that is there defense mechanism. They also a way to keep calm i very stressful situations.

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The portion of the tubule system that is relatively impermeable to solutes but contains many aquaporins for water reabsorption
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2 years ago
Women have a tendency to retain water during part of the menstrual cycle because estrogen mimics the action of what
Ira Lisetskai [31]

Answer:

This question lacks options, options are:

A) ADH

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C) atrial natriuretic hormone

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E) prolactin

The correct answer is B.

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Explanation:

The female sex hormones produced by the ovary (estrogens and progesterone) are substances that, through the blood, will carry messages to all the organs of the female genital system (uterus, tubes and ovaries) to achieve their correct function. Aldosterone concentration normally increases at the time of ovulation and remains elevated during the luteal phase of the menstrual cycle. Women present during the premenstrual phase, compared to the luteal and follicular phases, an increase in body weight, due to an increase in fluid retention, this because the menstrual cycle modulates the renin-angiotensin-aldosterone system. High levels of estrogen and progesterone in the mid-luteal phase are associated with a greater increase in adrenal and renal hormones and retention of more volume.

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Answer:

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Explanation:

Make sure to edit so your not copy-writed.

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