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UNO [17]
3 years ago
10

The strength of ventricular contraction varies directly with the end-diastolic volume. Select the correct word from the list to

complete each sentence regarding the Frank-Starling law of the heart.
Biology
1 answer:
Phantasy [73]3 years ago
8 0

Answer:

This relationship between EDV, contraction strength, and stroke volume is thus a built-in,, or intrinsic, property of heart muscle, is known as the Frank-Starling law of the heart.

Explanation:

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A scientist is observing surface groundwater features to determine sources of groundwater.
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spring, geyser, and artesian well

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A student is collecting the gas produced
marissa [1.9K]

Answer:

0.062 moles of hydrogen gas

Explanation:

We must first out down the reaction equation before we can attempt to solve the problem.

Mg(s) + 2HCl(aq) ----> MgCl2(aq) + H2(g)

Next we obtain the number of moles in 1.5 g of magnesium metal from;

Molar mass of magnesium = 24.3 gmol-1

Number of moles of magnesium= mass/molar mass = 1.5g/24.3gmol-1 = 0.062 moles

From the reaction equation;

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7 0
3 years ago
Complete each sentence by putting the labels to the appropriate blanks. Then place each sentence in a logical order beginning wi
sergij07 [2.7K]

Answer:

c. Beginning with the return from the systemic circulation, blood enters the <em>right atrium. </em>

a. Blood enters the right ventricle from the right atrium through the right atrioventricular valve which is also known as the <em>tricuspid valve</em>

d. The right ventricle contracts next, which forces blood up through the right semilunar valve which is otherwise known as the <em>pulmonary valve .</em>

e. After circulating through the <em>pulmonary capillaries</em>, the blood returns to the <em>left atrium. </em>

f. From the left atrium, blood moves through the left <em>atrioventricular valve </em>which is also referred to as the <em>bicuspid</em> or mitral valve.

b. From the left ventricle, the blood is pumped up to <em>aorta</em> the through the left semilunar valve which is sometimes referred to as the <em>aortic valve</em>.

Explanation:

c. Beginning with the return from the systemic circulation, blood enters the <em>right atrium. </em>

a. Blood enters the right ventricle from the right atrium through the right atrioventricular valve which is also known as the <em>tricuspid valve</em>

d. The right ventricle contracts next, which forces blood up through the right semilunar valve which is otherwise known as the <em>pulmonary valve .</em>

e. After circulating through the <em>pulmonary capillaries</em>, the blood returns to the <em>left atrium. </em>

f. From the left atrium, blood moves through the left <em>atrioventricular valve </em>which is also referred to as the <em>bicuspid</em> or mitral valve.

b. From the left ventricle, the blood is pumped up to <em>aorta</em> the through the left semilunar valve which is sometimes referred to as the <em>aortic valve</em>.

3 0
4 years ago
How can an increase in biodiversity lead to an increase in ecosystem stability?
ozzi

B is the right answer:

A more biodiverse ecosystem has a higher chance of adapting to species changes.

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How does PAMPs activate infectious Inflammation​
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Answer:

Activation of infectious inflammation:

PAMPs are derived from microorganisms and thus drive inflammation in response to infections. After identifying microorganisms infections PAMPs by PRRs, activate cytoplasmic complexes called inflammasomes.

After activation of inflammasomes, these inflammasomes activate the protease caspase-1, which then cleaves or breaks various pro-inflammatory cytokines, resulting in maturation and cellular release that cause inflammatory reactions.

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