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2 years ago

What is considered the first down of a females reproductive cycle?

Biology

1 answer:

slamgirl [31]2 years ago

8 0

Answer:

What do you mean by first down?

Explanation:

The oocyte, or unfertilized egg first leaves the ovary via fimbrea and enters the uterine tubes for ovulation. If the oocyte does not become fertilized and transition then to an ovum, then menstruation begins.

This is the process which the oocyte and lining of the uterus (endometrium) is shed! Where it passes through the cervix and exits via the vaginal canal

Hope this was helpful :)

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Neurotransmitters are ________. Group of answer choices chemicals that cross the synaptic gap and bind to receptors on another n

Hoochie [10]

Answer:

chemicals that cross the synaptic gap and bind to receptors on another neuron

found only in the central nervous system (the brain and spinal cord)

Explanation:

Neurotransmitters are defined as the chemicals that is transported from a nerve cell across the synaptic gap to the receptor of another neuron or a target cell such as a gland cell or a muscle cell.

Neurotransmitters are generated in the central nervous system (the brain and spinal cord) and are stored in synaptic vesicles.

"Hence, the correct answer is:

chemicals that cross the synaptic gap and bind to receptors on another neuron

found only in the central nervous system (the brain and spinal cord)".

8 0

3 years ago

Using the graphs below , which group of moths is better adapted to survive the hunting cycle

yawa3891 [41]

C is the answer hope this helps !!

3 0

3 years ago

Read 2 more answers

The graphs here show the distribution of beak depths for the ground

dedylja [7]

Answer: (A) Natural selection tend to reduce genetic variation as there was a smaller distribution of beak depths, but it tends to select for the most fit phenotypes, as there was an increase in average beak depth after the drought.

Explanation: The picture below shows proof if needed. On USATP

5 0

2 years ago

Describe an example of another species that has undergone evolution in response to human driven changes to its environment.

Likurg_2 [28]

Answer:

I would say a polar bear.

Explanation:

They have gone though changes Because of global warming and climate change we humans have caused

I hope this helps! :))

6 0

3 years ago

What modern day practice helps prevent an inadequate production of thyroid hormones?

Mama L [17]

Iodized salts helps to prevent an inadequate production of thyroid hormones .

<h3>What is iodized salts ?</h3>

Iodized salt is a table salt . it is a mixture of very little amount of sodium iodide and potassium iodide .

It helps to prevent iodine deficiency .

It is a micronutrient and dietary mineral that is naturally present in the food supply .and also it is a heavy element .generally found near sea coasts .

Iodine deficiency disease includes hypothyroidism .

<h3>What is hypothyroidism ?</h3>

It occurs due to less secretion of thyroid hormone caused by iodine deficiency .it causes stunted growth . it shows low rate of metabolism .

Hypothyroidism includes diseases like myxoedema or gull's disease , cretinism .

Inadequate supply of iodine in diet causes enlargement of the gland known as simple goitre.

<h3>Thyroid hormones :</h3>

It is secreted by endocrine glands known as thyroid gland . it includes two types of hormones known as thyroxine and calcitonin .

Thyroxine is an iodine containing hormone known as tetra-iodothyroxine(80%) and tri-iodothyroxine (20%).

calcitonin is secreted from thyroid gland and is polypeptide hormone .

Learn more about thyroid hormones here:

brainly.com/question/9251938

#SPJ4

4 0

1 year ago