Contents contributed and discussions participated by jlee200405
The Nervous System - 35 views
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The central and peripheral system have a lot in common. They both share the same job of muscle movement. These systems are also connected to each other, sending signals to that part of the brain where it controls everything. However, there are distinct differences between these two systems. One of them would be where these systems are. The central nervous system is located within the brain and spinal cord. The peripheral nervous system is located in every skeletal muscle in the body. Although both of these systems complete the same task, their role in the process is completely different. The central nervous system is meant to receive and send information. When a person wants to move a skeletal muscle, the motor cortex starts the entire thing off. It sends a signal to the cerebellum and down the spinal cord. From the spinal cord, that is where the peripheral nerves come in. Looking at it simply, the peripheral nervous systems act like a messenger and the central nervous system acts like the strategist.
Muscular Movement - 32 views
The Muscular System - 22 views
Kidney Animation - 29 views
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In the kidney, the blood stream collects protein but right before it does that, there are these transport proteins. For each different protein, the transport protein do different things. The reason why I think that this is interesting is because the different combinations for each protein make the whole thing complex.
Blood Vessels Activity - 41 views
The Heart - 47 views
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Deuteronomy 4:39
Acknowledge and take to heart this day that the Lord is God in heaven above and on the earth below. There is no other.
Psalm 84:2
My soul yearns, even faints, for the courts of the Lord; my heart and my flesh cry out for the living God.
Ecclesiastes 9:3
This is the evil in everything that happens under the sun: The same destiny overtakes all. The hearts of people, moreover, are full of evil and there is madness in their hearts while they live, and afterward they join the dead.
Although I believe that the Bible does not refer to the biological heart, yes. I do think that the Bible uses the heart as this very precious part of a person. In each of the verses, they all talk about the heart's corruption or to whom you should give your heart to.
Diaphragm - 21 views
Alveoli - 16 views
another quiz DS - 16 views
quiz - 24 views
Oxygen used in your body? - 17 views
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Glucose + Oxygen → Carbon Dioxide + Water (+ Energy)
C6H12O6 + 6O2 → 6CO2 + 6H2O (+ Energy)
glucose → lactic acid (+ energy)
Much less energy is released by anaerobic respiration (bottom) than by aerobic respiration (top).
The oxygen is absorbed by the arteries and transported to cells. Metabolism of organisms. With limited air, tissues, organs will suffocate with a feeling of dizziness. Your body will not be able to probably function properly.
Oxygen debt - 19 views
Limited oxygen supply - 21 views
Reactivity of metals - 40 views
Respiratory System - 31 views
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Your heart rate is how many times your heart contracts and relaxed every minute. They are identified by the amount of beats per minute. The heart rate is the amount of times the heart beats in a unit over time. Your pulse is what you fell over an artery as the pressure inside increases. The doctors check your pulse rate than your heart rate. You increase your heart rate and your pulse rate under different circumstances. Examples are when you exercise, or, when you're under a lot of stress.
Doing an experiment. Analysis and Conclusion - 38 views
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Analysis is where the collected data is interpreted. During this step, scientists review and try to make sense of the data in order to draw any conclusions. A conclusion is where all of the data is evaluated and it is where you would answer your research question. One of the elements in a good conclusion would be summarizing your results. Others would include stating whether your results support or go against your hypothesis and making comments on the accuracy, reliability and validity of your experiment. By writing down an analysis, it summarizes all of the results of the experiments by going over what has happened. The analysis helps the person write down the conclusion and without it, the conclusion would not have that summarization completed. The analysis is written write after the observations of the experiment are recorded. The elements of an analysis would be to review your data, label everything in your table and graph, and give a full summarization of what happened in the results.
Doing an experiment. Observation - 52 views
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To record you observations, you need to carefully analyze what is happening in a lab. A few of the most common ways to record your observation would be to use a table or a graph. Taking pictures of what is happening in a lab could also give you a visual interpretation of what is happening. It is important to be careful while recording because your observations are what you base your conclusions on. If your observations are incorrect, then your conclusion would be therefore, also be incorrect.
Doing an experiment. Hypothesis - 34 views
-The human respiratory - 4 views
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-The human respiratory system allows one to obtain oxygen, eliminate carbon dioxide.
-Your trachea (windpipe) splits up into two bronchi tubes. These two tubes keep splitting up and form your bronchiole
-Breathing consists of two phases, inspiration and expiration
-The Diaphragm is a muscle under lungs that controls breathing.
-When you Inhale, the diaphragm contracts and moves down and air rushes in.
-The diaphragm relaxes and moves up and air gets pushed out when you exhale.
-Red blood cells pick up the oxygen and drop of carbon dioxide at the alveoli.
-The alveolus is only one cell thick.
-Covered with capillaries.
-So oxygen and carbon dioxide can be exchanged.
-When the air comes into your nose it gets filtered by tiny hairs and it is moistened by the mucus that is in your nose.
Covered with capillaries.
So oxygen and carbon dioxide can be exchanged.