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Yuliya22 [10]
3 years ago
9

In a biology class, one student argues that tissues are the building blocks of organs. Another student argues that cells are the

building blocks of organs. Which student do you agree with? Support your position with scientific facts.
Biology
2 answers:
Ad libitum [116K]3 years ago
7 0
Both students are correct. Cells are the building block but so are tissues. Cells make up the tissues which make up organs. atoms->cells->tissues-> organs -> organ systems.
MAXImum [283]3 years ago
4 0
I would have to agree with the student who claims cells are the building blocks of organs because cells are the building blocks of life. cells are all around us, even in inanimate objects.
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when measuring the blood pressure, the cuff is deflated until two consecutive beats are heard through the stethoscope. This meas
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Answer: Systolic pressure.

Explanation:

Every time the heart beats, it pumps blood into the arteries, which are vessels through which blood circulates from your heart to your tissues with the oxygen and nutrients they need. Blood pressure is the force of the blood pushing against the walls of the arteries, and is highest when the heart beats, pumping blood, which is measured as systolic pressure (i.e., when the heart contracts). On the other hand, diastolic blood pressure refers to the pressure of blood in the artery when the heart relaxes between beats (i.e., when the heart relaxes). Since there are two types of pressures, blood pressure readings are given in two numbers, with the top number being the systolic pressure and the bottom number being the diastolic pressure.  

For example, if the systolic pressure measured in a person is 125 millimeters of mercury (mm Hg) and the diastolic pressure is 85 mm Hg, the blood pressure is recorded as 125/85.  

So, <u>the systolic blood pressure is registered with the stethoscope when the cuff is deflated.</u> When two heartbeats are heard, the pressure gauge reading is recorded. <u>When the heartbeat ceases, the cuff pressure is released and the diastolic pressure is measured at this time.</u>

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2 years ago
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Answer

A) 95 Kr

36

Explanation

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Answer:

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Pupillary light reflex refers to the reaction that causes the pupil to close with light thanks to the contraction of the sphincter of the pupil and to open in the dark thanks to the relaxation of that muscle by not receiving any stimulus. A light stimulus reaches the eye and in the retina it is transformed, through a chemical reaction, into an electrical stimulus that will be transmitted through the optic nerve and the visual pathways to the brain. The visual cells of the retina, rods and cones, also act as light receptors that control the pupil's motor activity. Thus, pupil-motor thresholds to light follow the same spectral sensitivity deviations as visual thresholds, which are a function of the state of light adaptation of the retina.

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