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grandymaker [24]
2 years ago
9

Name two structures found in the adult heart that are "leftovers" from the fetal heart. These are

Medicine
1 answer:
netineya [11]2 years ago
7 0

Answer:

vestigial valves and free tissue attached to the septum primum

Explanation:

During the ninth week of the embryo's life, it is possible to observe thinned regions in the right venous valve that further evolve as perforations. These 'vestigial valves' can be observed in the right atrium of adult hearths.  Moreover, in an embryo of 25-mm, the free border of the septum primum contains a portion of free tissue that it has been proposed to be vestigial, which may be found in structurally abnormal adult hearts.

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as a general rule, what minimum number of kcalories per day is necessary to ensure nutritional adequacy in an eating plan for re
Lena [83]

As a general rule, The minimum number of 1600 kcalories per day is necessary to ensure nutritional adequacy in an eating plan for reducing body weight.

Nutritional adequacy is defined as the sufficient consumption of essential minerals, wanted to fulfill digestive necessities for optimal energy. According to the test of ability defined, the necessity for a likely food may bother a lower or bigger intake amount.

Nutritional adequacy may be used to decide the risk of deficiency of the fiber determined, in agreements of low intakes or extreme intakes (model, the adverse belongings of extreme levels of sodium consumption may have reference to lowering the risk of sure chronic ailments or environments, such as hypertension) Human body weight is one's mass or weight. Strictly speaking, the material burden is the measurement of the burden outside items situated on the individual.

To know more about Nutritional adequacy refer to: brainly.com/question/13166802

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6 0
10 months ago
. Raw material for photosynthesis: (i) Available in the plant: _________________ (ii) Available in the soil:__________________ (
emmasim [6.3K]

Answer:

(i) Available in the plant:

Chlorophyll

(ii) Available in the soil:

Water

(iii) Available in the air:

Carbon dioxide

(iv) Available during day:

Light / Light energy

Explanation:

For photosynthesis, your raw materials are chlorophyll (to absorb light energy from the sun), light, carbon dioxide, and water. The products are glucose and oxygen.

Chlorophyll can be found in the leaves of a plant.

Light is from the sun.

Carbon dioxide is taken in from surrounding air.

Water is taken in by the roots, along with mineral salts, before being distributed to other parts of the plant.

During the night, respiration takes place. You can think of it as opposite of photosynthesis. Materials are glucose and oxygen, and products are carbon dioxide and water.

8 0
3 years ago
Pelvic inflammatory disease is a complication in 50% of the cases of ______. a. gonorrhea b. syphilis c. chancroid d. vaginitis
hodyreva [135]

Pelvic inflammatory disease is a complication in 50% of the cases of a. gonorrhea.

Pelvic inflammatory disease :

Pelvic inflammatory disease (PID) occurs when an infection spreads from vaginal area to the cervix, the endometrium (lining of the uterus) and the fallopian tubes. The virus is typically spread through sexual contact. Additionally, it can happen following an infected bowel or an appendix rupture.

Chlamydia and gonorrhea, two sexually transmitted bacterial illnesses, are the most frequent causes of PID. 50% of sexually transmitted PID cases are brought on by chlamydia and gonorrhea. Recently, Mycoplasma genitalium has been identified as another sexually transmitted virus linked to PID.

Learn more about Pelvic inflammatory disease here :

brainly.com/question/4411861

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4 0
2 years ago
What drug or substance that might change the way things work in a synapse
romanna [79]

Stimulants and depressants have an effect on the synapses among neurons in the frightened system:

  • stimulants purpose greater neurotransmitter molecules to diffuse throughout the synapse.
  • depressants stop the next neurone sending nerve impulses.

Psychotropic drugs exert their outcomes by changing a synaptic occasion. these alterations in the end change the pastime of a neurotransmitter. some psychotropic drugs facilitate the effects of a neurotransmitter, and are referred to as agonistic.

Tablets make their effects regarded via performing to beautify or intervene with the interest of neurotransmitters and receptors in the synapses of the mind. some neurotransmitters carry inhibitory messages across the synapses, at the same time as others bring excitatory messages.

Amphetamine, heroin, marijuana, nicotine, alcohol, and prescription painkillers, can regulate a person's conduct by way of interfering with neurotransmitters and the regular communique between brain cells.

Learn more about drugs here: brainly.com/question/15746818

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8 0
2 years ago
How can light from the sun causes skin cancer
taurus [48]
It’s not the “light” it’s the rays it burns through the first layer of skin causing other reactions leading to skin cancer
6 0
2 years ago
Read 2 more answers
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