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marysya [2.9K]
3 years ago
15

Beginning with all chambers of the heart in the "relaxed" phase, describe the cardiac cycle in mammals, with systole and diastol

e of the atria and ventricles. For each time point in the cycle you select, state the following:
Whether the atria and ventricles are contracting or relaxing
Whether the AV valves and semilunar valves are closed or open Whether the pressure in the atria and ventricles is high or low.
Medicine
1 answer:
noname [10]3 years ago
4 0

Answer:

The second one

Explanation:

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your______ is the permission that has been granted to you usually by the state to actually function as an EMT
Sunny_sXe [5.5K]
License
I believe that is the correct answer
8 0
2 years ago
Which of the following statements correctly compares water-soluble and lipid-soluble hormones?
frozen [14]

Answer:

The correct answer is option E. only water-soluble hormones use second messengers.

Explanation:

Water soluble hormones can not diffuse through cell membranes as only lipid soluble molecules can pass through the cell membranes and these hormons are not lipid soluble molecules,

These water hormones are usually glycoproteins, peptide and catecholamnies such as TSH, FSH, LH and insulin. these hormones need second messengers because there receptors are present on the plasma membrane.

Thus, the correct answer is option - e.  only water-soluble hormones use second messengers.

8 0
3 years ago
Male gonads secrete the sex steroid hormone __________
kicyunya [14]

Answer:

The answer is: Testosterone

Explanation:

Testosterone is an androgen and primary male sex hormone produced by the gonads. In males, this hormone is responsible for the development of the male reproductive tissues, and promoting the secondary sexual characteristics in males such as growth of body hair, increase in the bone mass and muscle mass.

5 0
3 years ago
The emt should assess for hypoglycemia in small children with a severe illness or injury because:_____.
kiruha [24]

The emt should assess for hypoglycemia in small children with a severe illness or injury because: children cannot store excess glucose as effectively as adults.

<h3>Hypoglycemia </h3>

Blood sugar (glucose) levels that are below the normal range are known as hypoglycemia. Your body mostly uses glucose as fuel.

Diabetes medication frequently has an impact on hypoglycemia. But even in those without diabetes, other medications and a wide range of, frequently undiagnosed diseases can result in low blood sugar.

Treatment must start right away for hypoglycemia. A fasting blood sugar of 70 milligrams per deciliter or lower should be taken as a warning sign for many people. Nevertheless, your figures may vary. Request information from your doctor.

With the aid of a high-sugar food or beverage or by taking medicine, you must swiftly bring your blood sugar levels back into the normal range. Finding and addressing the source of hypoglycemia is necessary for long-term treatment.

Learn more about hypoglycemia here:

brainly.com/question/14757163

#SPJ4

5 0
2 years ago
13. Describe all of the hormonal influences on skeletal growth and development.
ss7ja [257]

Answer:

The growth hormone/IGF-1 system stimulates both bone-resorbing and bone-forming cells, but bone formation is the dominant effect, resulting in increased bone mass. Thyroid hormones boost the energy production of all cells in the body, including bone cells.

6 0
2 years ago
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