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3 years ago

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Physiologically, cooling down is important to: A. Allow muscles to cool down gradually. B. Allow your heart rate to gradually re

turn to normal. C. Allow your blood to keep flowing evenly. D. All of the above
10 points !! markin da brainiest answer !!

2 answers:

Vadim26 [7]3 years ago

5 0

D. all of the above because you are resting your body

Natali [406]3 years ago

3 0

D resting your body’s

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Sheri likes to study in the school library, but it is usually full of chatting students. It's a great place to study because her

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Answer:

<em>B. Less people</em>

Explanation:

Finding a quiet place and studying there is important because it helps to focus as there is less distraction, due to lack of distraction a person studying at a quiet place is able to understand and remember more, one can easily get over with their studies quickly, and prevents incorrect information from being remembered.

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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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