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VikaD [51]
3 years ago
10

The ____ are involved in personality, intelligence, and the control of voluntary muscles. Select one:

Biology
2 answers:
8_murik_8 [283]3 years ago
5 0

Answer;

-Frontal lobes

Explanation;

-Frontal lobe is one of four paired lobes in the brain's cerebral cortex, and it plays vital roles in memory, attention, motivation, and numerous other daily tasks. It is located near the front of the head, under the frontal skull bones and near the forehead.

-The frontal lobe is the part of the brain that controls important cognitive skills in humans, such as emotional expression, problem solving, memory, language, judgment, and sexual behaviors.

aleksandrvk [35]3 years ago
4 0

The answer is the frontal lobes.

The frontal lobe is the largest of the four major lobes of the cerebral cortex in mammals. The frontal lobe is located at the front of each cerebral hemisphere. It is separated from the parietal lobe by a groove between tissues called the central sulcus, and from the temporal lobe by a deeper groove called the lateral sulcus. The most anterior rounded part of the frontal lobe is known as the frontal pole, one of the three poles of the cerebrum.

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If 32 packed volume units of cells are separated from 46 volume units of plasma from a blood sample, the haematocrit is _______
nordsb [41]

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If 32 packed volume units of cells are separated from 46 volume units of plasma from a blood sample, the hematocrit is <u>41,02%</u> percent. The hematocrit value is <u>within the normal</u> range.

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Hematocrit (or packed cell volume -PCV-)is defined as the percentage of red blood cells (vol%) in a blood sample. One common method of determining it is by centrifuging a heparinized blood sample in a capillary tube at 10 000 RPM for five minutes. This separates the blood sample in two layers, formed elements (RBC and WBC) and Plasma.

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\frac{PCV}{TOTAL(pcv+plasma} * 100

<u>In the question:</u>

\frac{32}{32+46} * 100 = \frac{32}{78} * 100 = 41,02%

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