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dolphi86 [110]
2 years ago
14

Lymphatic vessels recover about __________ of the fluid filtered by capillaries.

Biology
1 answer:
bezimeni [28]2 years ago
3 0

Answer:

Lymph originates in blood capillaries that pick up tissue fluid. Mucous membranes prevent most pathogens from entering the body because of the stickiness of the mucus and the presence of lysozymes. Pus is made of dead neutrophils, macrophages, and other tissue debris from a damaged tissue.

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An increase in volume DECREASES the pressure in the chest (pressure and volume vary inversely when temperature is held constant -- Boyle's law). Gas can only flow from an area of higher pressure to an area of lower pressure. It can't go uphill -- ever. It can only go from high to low pressure. When the diaphragm and intercostals contract, the diaphragm flattens and the rib cage rises. That increases the volume of the chest. That increase in volume decreases the pressure inside the chest (temperature is held constant -- because the temperature of the chest cavity does not change appreciably. It remains at body temp.). Air then flows from the area of higher pressure (atmospheric) to lower pressure (intrathoracic). That continues until the pressures are equal.

When the diaphragm and intercostals relax, the chest cavity decreases in size, the pressure increases to above atmospheric, and gas flows again from the area of higher pressure (intrathoracic) to lower pressure (atmospheric) until they are again equal.

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Answer:

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