BIOLOGY HIGH SCHOOL

Systemic circulation is the movement of blood between the heart and the __________

Answers

Answer 1

Answer:

Answer:

Body

Explanation:

Answer 2

Answer:

Answer:

Systemic circulation is the movement of blood between the heart and therestofthebody.

Explanation:

The oxygenated blood will pass through the left ventricle to arteries then the capillaries of the body. After the oxygenated blood is distributed to all parts of the body, the now deoxygenated blood will return through a network of veins thus, to the right atrium of the heart.

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Why do you think some flora and funna get extinct from the earth

Answers

Hey, there!!!!

The main reasons for the extinction of flora and fauna are:

The climate change is one main reason for extinction of various flora and fauna.
Unwanted urbanization has also destroyed many flora and fauna.
Hunting of fauna cause loss of various type of species of fauna and overgrazing or afforestation has caused destruction of plants species.

Hope it helps...

The maximum number of wolves that can survive in a particular forest is 230

Answers

Hey There :)

This means wolves are slowly getting extinct and they are endangered.

Identify the values of x and y that would make the following expression represent a real number.(4 + 5i)(x + yi)

A. x = 4, y = 5
B. x = –4, y = 0
C. x = 4, y = –5
D. x = 0, y = 5

Answers

I think the correct answer from the choices listed above is option C. The values of x and y that would make the expression to represent a real number would be that x = 4, y = –5. Substituting and simplifying,

(4 + 5i)(4 - 5i)
16 - 20i + 20i - 25i²
16 - 25(-1)
16 +25
41

x = 4, y = -5

Further explanation

This is a problem with complex numbers.

A complex number is a number of the form $\boxed{ \ z = x + yi \ }$ where x and y are both real numbers.

x is considered the real part of the complex number.
y is considered the imaginary part of the complex number.
The real part of a complex number $\boxed{ \ z = x + yi \ }$ is denoted by $\boxed{ \ Re(z) \ }.$
The imaginary part of a complex number is denoted by $\boxed{ \ Im(z) \ }.$

The modulus of a complex number $\boxed{ \ z = x + yi \ }$ is denoted by $\boxed{ \ |z| \ }$ and defined to be $\boxed{ \ |z| = √(x^2 + y^2) \ }$
Remember this $\boxed{ \ i^2 = (√(-1))^2 = -1 \ }$

For example, $\boxed{ \ z = 3 - 4i \ }$

Re(z) = 3
Im(z) = -4
The modulus $\boxed{ \ |z| = √(3^2 + (-4)^2) = 5 \ }$

Let's look at the key problem.

We must identify the values of x and y that would make the following expression represent a real number.

$\boxed{ \ = (4 + 5i)(x + yi) \ }$

$\boxed{ \ = 4(x + yi) + 5i(x + yi) \ }$

$\boxed{ \ = 4x + 4yi + 5xi + 5yi^2 \ }$

$\boxed{ \ = 4x + 4yi + 5xi - 5y \ }$

At this point, 4yi and 5xi must be of equal value and marked opposite, so that the expression represents real numbers.

$\boxed{ \ 4y = - 5x \ }$

Become a fraction, i.e.,

$\boxed{ \ (x)/(y) = (-4)/(5) \ or (x)/(y) = (4)/(-5) \ }$

From the options, the answer is C.

$\boxed{ \ x = 4, y = -5 \ }$

- - - - - - -

Let's check back to expression.

$\boxed{ \ = (4 + 5i)(x + yi) \ }$

$\boxed{ \ = 4x + 4yi + 5xi - 5y \ }$

x = 4 dan y = - 5 ⇒ $\boxed{ \ = 4(4) + 4(-5)i + 5(4)i - 5(-5) \ }$

$\boxed{ \ = 16 + -20i + 20i + 25 \ }$

$\boxed{ \ = 16 + 25 \ }$

Thus the expression represent a real number of 41.

Learn more

The midpoint brainly.com/question/3269852
The piecewise-defined functions brainly.com/question/9590016
The composite function brainly.com/question/1691598

Keywords: identify, the values of x and y, the following expression, represent a real number, (4 + 5i)(x + yi), a complex number, real, imaginary

Includes parenchyma, collenchyma, and sclerenchyma

Answers

The answer is ground tissue.

Plants have 3 types of tissues - dermal, vascular, and ground tissue. Ground tissue includes parenchyma, collenchyma, and sclerenchyma.
Parenchyma has a role in photosynthesis, storage. It also makes the bulk of ground and vascular tissue.

The function of sclerenchyma and parenchyma is support and strength of roots, stems, and leaves.

Which is the odd hormone insulin cortisol calcitonin glucagon?

Answers

Answer

The odd hormone insulin Cortisol

Explanation

Cortisol is known as the odd hormone because it is release when someone stressed and it interfer the brain activity by making the person feels like blank. The low cortisol level causes decrease appettite, fatigue, weightloss, different skin problem, low blood sugar and many more. The high level of cortisol causes the weight gain, acne, muscle weakness, thinning skin, flused face and other type of causes.

Final answer:

Among insulin, cortisol, glucagon, and calcitonin, cortisol is the 'odd one out'. It is classified as a corticosteroid, whereas the others are peptide hormones.

Explanation:

The odd hormone in the list of insulin, cortisol, glucagon, and calcitonin, is cortisol. While insulin, glucagon, and calcitonin are all peptide hormones, cortisol is a corticosteroid, a different type of hormone, released by the adrenal cortex in response to long-term stress. Insulin is produced by the beta cells of the pancreatic islets and regulates blood glucose levels. Glucagon, produced by alpha cells of the pancreas, also helps in regulating blood glucose levels. Calcitonin is a hormone produced by the parafollicular cells of the thyroid gland and functions to lower blood calcium levels. Though all these hormones play integral roles in the body, cortisol, as a corticosteroid, is structurally and functionally different from the others, making it the 'odd one out'.

Learn more about Cortisol here:

brainly.com/question/33258833

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2. Does fertilizer make a plant grow bigger?
Independent -
Dependent -
Constants -

Answers

Answer:

Independent - fertilizer

Dependent - plant growth

Constants - type of plant, type of soil, water amount

Explanation:

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