Most scientific questions are based off of theory.
1 & 2
The lymph system acts like blood vessels only that instead of blood, they carry lymph. Just like certain organs as associated with the circulatory system like heart, the lymph system has such organs like the spleen and thymus.
Explanation:
When blood passes through capillaries, the blood pressure causes the blood plasma to filter through the capillary walls. This fluid then gets into the extracellular spaces of the cells and tissues and nourishes the cells. This fluid in which the cells ‘bath’ in is called interstitial fluid. Excess interstitial fluid flows back through the lymphatic systems and back to the blood through the subclavian veins of the thoracic duct.
The lymph system has several functions. It is responsible for the removal of foreign material like bacteria because the lymph nodes have 'meshwork' that ‘sieves’ the lymph fluid and immune cells destroy bacteria and viruses.
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Answer:EEF1 supports the cell theory because protein synthesis is required for cells to surviveExplanation:The cell theory postulates that the organisms are composed of cells, which represent the basic and functional units of all living forms.
Explanation:
The conditions which describe the partial pressures of systemic cells under resting conditions are:
- Relatively constant partial pressure of gases
- PCO₂ of 45mm Hg, and
- PO₂ of 40mm Hg
<h3>What are systemic cells?</h3>
Systemic cells are cells of the body which receive oxygen from the capillaries during respiration and gaseous exchange.
The systemic cells receive oxygen-laden blood from the capillaries and transfer carbon dioxide into the blood capillaries.
The conditions which describe the partial pressures of gases of systemic cells under resting conditions are as follows:
- Relatively constant partial pressure of gases
- Partial pressure of carbon dioxide, PCO₂ of 45mm Hg, and
- Partial pressure of oxygen, PO₂ of 40mm Hg
In conclusion, the partial pressure of the gases in systemic cells under resting conditions are fairly constant.
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