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3 years ago

Oxygen passes into the blood through tiny blood vessels called _____.(science*)

Health

2 answers:

miskamm [114]3 years ago

6 0

Answer:

Capillaries

Explanation:

Deep within your lungs, this oxygen passes into your bloodstream through tiny blood vessels called capillaries. Oxygen-rich blood reaches your brain through your internal carotid arteries and your vertebral arteries.

Ronch [10]3 years ago

5 0

Answer: capillaries

hope this helps!❤️

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Find the low and high target heart rate zones for a 46-year-old teacher from El Cerrito Middle School with a resting heart rate

alexgriva [62]

The low and high target heart rate zones for the 46-year-old teacher with a resting heart rate of 78bpm are;

Low target heart rate = 87 bpm

High target heart rate = 131 bpm

We are told that the resting heart rate of the 46 year old teacher is 78 bpm.

Now, the formula for calculation of the estimated maximum age-related heart rate is;

Maximum age related heart rate = 220 – person's age

For this 46 year old man;

Maximum age related heart rate = 220 - 46

Maximum age related heart rate = 174 bpm

Now. since his resting heart rate is average at 78 bpm, then the low and high target heart rate will be gotten from the formula;

Low target heart rate = 50% × Maximum age related heart rate

High target heart rate = 75% × Maximum age related heart rate

Thus;

Low target heart rate = 50% × 174

Low target heart rate = 87 bpm

High target heart rate = 75% × 174

High target heart rate ≈ 131 bpm

Read more about target heart rate at; brainly.com/question/770092

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3 years ago

A client states that she wishes to use the calendar method of birth control. The nurse concludes that the client understands how

Ganezh [65]

Answer:

<em>The correct option is 2) I will subtract 18 days from the length of my shortest cycle.</em>

Explanation:

In order to use the calendar method of birth control, one might know hot to calculate the beginning and end of the fertile period.

The beginning of the fertile period can be calculated by subtracting 18 days from the length of the shortest cycle. This will determine the first unsafe day.

To calculate the end day, subtract 11 from the longest cycle of the person. This will determine the last unsafe day for the month.

The average length of a cycle cannot be used, but the individual's own shortest and longest cycles have to be used for calculation.

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3 years ago

For maximum loading of hemoglobin with oxygen at the lungs, the:

sesenic [268]

The partial oxygen pressure (pO2) should be high for the maximum loading of hemoglobin with the oxygen.

Hemoglobin is a quaternary protein that transports oxygen in the blood. Hemoglobin is made up of four heme subunits and an Iron atom. Blood oxygen is bound to the hemoglobin in red blood cells. One molecule of hemoglobin binds the four oxygen molecules and forms the oxyhemoglobin.

The partial pressure of the oxygen is an important factor that determines the binding affinity of oxygen to the hemoglobin. The higher the partial pressure of oxygen the more oxygen binds with the hemoglobin. The hemoglobin binds oxygen rapidly in the pulmonary capillaries of the lungs due to higher partial pressure of oxygen.

Learn more about Oxyhemoglobin here,

brainly.com/question/3259501

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2 years ago

List 3 purposes for educating patient in self-care

Temka [501]

Google it maybe pay attention next time

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4 years ago

Harvey's doctor has diagnosed him with basal cell carcinoma, a form of skin cancer. Which component of the integumentary system

sergiy2304 [10]

Answer:

B. The top epidermal layer

Explanation:

Like most, if not all skin cancers start at your epidermis (The layer of skin that's most exposed to the sun) The cancer begins in your basal cells where they constantly push older skin cells toward the surface of your body.

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4 years ago