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marshall27 [118]
3 years ago
15

A lever with a mechanical advantage greater than 1 is used to ____.

Biology
1 answer:
Arte-miy333 [17]3 years ago
4 0
The answer should be C. increase force
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Gregor Mendel drew which of the following conclusions from his study of garden peas?
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3 years ago
Whether there is a net flow of fluid into or out of a capillary at a given spot along its length depends on _____.whether or not
castortr0y [4]

Answer: Depends on the balance between blood pressure and osmotic pressure.

Explanation:

The capillaries are part of the microcirculation that transports nutrients to the tissues and removes cell excreta. The walls of the capillaries are extremely thin, constructed of single - layer, highly permeable endothelial cells. Therefore, water, cell nutrients and cell excreta can all interchange quickly and easily between the tissues and the circulating blood.

The tissues of the body is made up of soo many capillaries which helps to deliver blood and it's contents to it. The hydrostatic pressure in the capillaries tends to force fluid and it's dissolved substances through the capillary pores into the interstitial spaces. Conversely, osmotic pressure caused by the plasma proteins( called COLLOID OSMOTIC PRESSURE) tends to cause fluid movement by osmosis from the interstitial spaces into the blood. This osmotic pressure excreted by the plasma proteins normally prevents significant loss of fluid volume from the blood into the interstitial spaces.

Therefore, a balance between hydrostatic pressure in the capillaries which is influenced by blood pressure and osmotic pressure in order for a net flow of fluid into or out of a capillary to occur.

7 0
2 years ago
Nerve impulses from _________ will result in inspiration.
Sonbull [250]

Answer:

the ventral respiratory group

Explanation:

The respiratory centers are present in the brain stem. Five major respiratory group are Dorsal respiratory group, Ventral respiratory group, Pontine respiratory group, Pneumotaxic center and Apneustic center.

Ventral respiratory group controls the process of respiration. The neurons of ventral respiratory group become active during forceful breathing and may result in inspiration.

Thus, the correct answer is option (A).

6 0
3 years ago
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