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2 years ago

Some research shows that older adults have lower stress levels. One thing that might

Health

1 answer:

Elena L [17]2 years ago

4 0

Older adults have learned how to better cope with stress from life experiences.

Explanation:

It's quite obvious. Older adults have gone through a lot of ups and downs. They are generally calm as compared to people of less age.

(This is very similar to the Dunning Kruger Effect)

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What constitutes a tooth’s outer layer?

sweet-ann [11.9K]

The tooth's outer layer consists of the Enamel, Dentin and the Pulp.

<h3>What is a tooth?</h3>

A tooth is a hard resistant structure that is located in the mouth for crushing down before swallowing and digestion.

The tooth's outer layer consists of the Enamel, Dentin and the Pulp. The Enamel is the toughest of them all and located at the top layer of the teeth while the dentin is beneath the enamel layer of the teeth with the pulp in the middle.

Learn more on tooth layer here: brainly.com/question/10929330

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5 0

2 years ago

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Jessica's new diet plan contains 3.3 mg of heme iron and 17.5 mg id non heme iron. what us the amount of biologically available

Hitman42 [59]

1.37mg is a total concentration of iron.

Further Explanation:

Iron is a vitally important element that is required for oxygen transport as a component of hemoglobin. Haemoglobin is composed of <u>two components; heme and globin chain</u>. Heme is further composed of two component; iron and porphyrin ring and globin is a protein chain. Heme part of the hemoglobin helps in binding oxygen component whereas globin chain helps in transport because it is soluble in body fluid. When <u>heme group breaks down it release iron</u> and phosphorus in the body fluid. Iron is obtained from dietary source.

The naturally occurring iron is formed in two forms; heme and non heme iron in food that are handled and absorbed by the human cell differently. Heme iron is a kind of <u>iron present in muscle tissue and blood.</u> The source of heme iron is meat, seafood, poultry and fish. It is generally present in the form of animal protein. Non heme protein is a plant as well as animal based iron. They are present in beans, grain, vegetables, fruits, seed, nuts, egg and milk. Heme iron is absorbed more easily in human body than non heme iron.

Biologically available heme can be calculated by the formula given below.

$\text{Biologically available}=\dfrac{\text{dietary intake}\times\text{absorption}}{100}$

The concentration of heme iron can be calculated by,

$\begin{aligned}{\text{Heme iron}}&=\frac{{3.3 \times 15}}{{100}}\\&=0.49{\text{ mg}}\end{aligned}$

Calculate the non heme concentration by,

$\begin{aligned}{\text{Non - heme iron}}&=\frac{{17.5\times5}}{{100}}\\&=0.875{\text{ mg}}\end{aligned}$

Total concentration of iron,

$\begin{aligned}{\text{Total iron}}&=0.49+0.875\\&=1.37{\text{ mg}}\end{aligned}$

Learn More:

1. Learn more about meiosis brainly.com/question/1600165

2. Learn more about the process of molecular diffusion in a cell brainly.com/question/1600165

3. Learn more about human sperm and egg cell brainly.com/question/1626319

Answer Details:

Grade: High School

Subjects: Biology

Topic: Dietary Iron

Keywords:

Heme, non heme, iron oxygen, hemoglobin, porphyrin, phosphorus, muscle, tissue, beans, grain, vegetables.

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4 years ago

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If a person becomes internet addicted, who may be affected and how? (list at least 3 people)

abruzzese [7]

Friends, parents, wife/husband, siblings, teachers.

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3 years ago

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When you experience inflammation, what blood cells are fighting pathogens in your body?

Solnce55 [7]

The immune system fights off the pathogen by Leukocytes also known as white blood cells. When a pathogen enters the body the immune system becomes alert to it and sends out sends out the Phagocytes (a type of Leukocytes) which engulfs the pathogens.

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4 years ago

When a person is unresponsive, what do gasping, snorting, or gurgling sounds indicate?

Vinil7 [7]

Possible airway obstruction

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3 years ago