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Darya [45]
3 years ago
8

Describe how glands lead to the production of female/male sex cells and an embryo/fetus.

Biology
1 answer:
kramer3 years ago
5 0

FSH and LH are the main sex hormones in humans called gonadotrophins. They are secreted by the anterior pituitary gland. They act on the gonads; testes in males and ovaries in females.   LH stimulated the production of testosterone by the testes while the hormone stimulates ovulation in females. FHS promotes sperm production in males while it stimulates maturation of ova in female ovaries.

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The body monitors the levels of oxygen in the blood to regulate breathing. Isabel is running in a marathon and is near the finis
Nataliya [291]

The chronological order of the response brought about by the nervous system is as follows.


1. Sensory receptors in the arteries detect low oxygen levels.

2. Sensory neurons generate an impulse.

3. The central nervous system relays an impulse to certain brain regions.

4. The brain sends signals through motor neurons.

5. Isabel's breathing rate increases.


The response to a stimulus is called a reflex action and the pathway traveled by the reflex action is called the reflex arch. A reflex action is an automatic involuntary response to a stimulus which minimizes any damage to the body. During conditions of low levels of oxygen in the body, the receptors detect the stimulus of low oxygen levels which could pose a threat to the individual and sensory neurons generate an impulse. It reaches the central nervous system and then the brain. In turn, brain sends signals through the motor neurons that carry a message and help in increasing the breathing rate of Isabel.

6 0
3 years ago
Using the following cladogram, put the following organisms in order from most evolved to
Minchanka [31]

Answer:

it is the last one d hope this helps

7 0
3 years ago
Why is the African savanna a good example of the three scientific principles of sustainability in action
aniked [119]

Answer: Because

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8 0
3 years ago
Please help me here the picture
insens350 [35]

Answer:

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Which two processes that occur during the formation of gametes contribute to increasing diversity within a populations gene pool
yanalaym [24]

Answer:

1) Crossing over

2) Independent assortment.

Explanation:

Gametes are formed resulting from the process of meiosis where the gametes get half of the original number of chromosomes. One phenomenon that happens during the prophase 1 of Meiosis and leads to the genetic diversification is crossing over. In this process , Here, homologous chromosomes pair up and exchange information present on genes from one another. When information is exchanged, it leads to the diversity of genetic data.

The second way of increasing genetic diversity is independent assortment that takes place during metaphase 1. In this process chromosomes from both father and mother cells align on equatorial plate of the cell in an independent manner. This means that some gamete can have 1 of many different chromosomal combinations.

This reshuffling of chromosomes during independent assortment enhances the genetic diversity of any organism and this also explains why kids of same parents can look or behave very different.

Hope it help!

8 0
2 years ago
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