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solong [7]
3 years ago
13

Please help me with my biology homework !

Biology
1 answer:
Nesterboy [21]3 years ago
8 0
50) 4
51) they would likely start eating more banana slugs
52) ovaries; menstrual cycle regulation
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The graph shows the changing levels of hormones during menstruation and ovulation. What is the general trend for hormones after
Vladimir79 [104]

Answer:

Hormone levels generally decrease.

Explanation:

<em>The graph showed that hormone levels after ovulation generally decrease.</em>

The menstrual cycle of women generally have 3 phases which include:

  1. <em>The follicular phase</em>
  2. <em>The ovulatory phase</em>
  3. <em>The luteal phase</em>

The follicular phase is characterized by low levels of oestrogen and progesterone and a slightly high level of follicle stimulating hormone which ensures that follicles within the ovary develop.

The ovulatory phase is characterized by a surge in the luitenizing hormone (which stimulates the release of eggs) and follicle stimulating hormone with a decrease in the level of oestrogen and a gradual increase in the level of progesterone.

The luteal phase is characterized by a general decrease in the levels of luitenizing hormone and follicle stimulating hormone while oestrogen level may remain high.

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A animal 2b has no cell wall

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3 years ago
Even though he added an extra strand to the structure of dna he ultimately won two nobel prizes
pantera1 [17]
<span>Linus Pauling

Hope this helped. Good luck!</span>
7 0
3 years ago
why is the only path of conduction for impulse transmission from the atria to the ventricles through the av node and av bundle?
velikii [3]

Because the AV node takes on the role of a very important delay in the cardiac conduction system. Without this delay, the atria and ventricles would contract at the same time.

<h3>Cardiac conduction system</h3>

The conduction system of the heart sends electrical signals, usually generated by the sinus nodes, causing the heart muscle to contract. Pacemaker signals originating from the sinus node travel through the right atrium to the atrioventricular (AV) along the bundle of His and through branches of the bundle, causing myocardial contraction. This signal first stimulates contraction of the right and left atria then flows to the right and left ventricles. That electric current then allows blood to be pumped throughout the body.

Learn more about sequence of travel by an impulse through the cardiac conduction system at brainly.com/question/28269433

#SPJ4

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1 year ago
How old you have to be to play M rated games
Nataly_w [17]
You have to be 17 years of age . They don’t sell M rated games to anyone younger than the age of 17
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