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jekas [21]
3 years ago
8

The eye, heart in skin of a pig, and a leaf from an oak tree are all examples of_______. They are groups of tissues join togeth

er to perform a specific function. A. Tissue B. Organs C. Systems D. Cells
Biology
1 answer:
Mazyrski [523]3 years ago
8 0

Answer:

it should be organ .....

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KonstantinChe [14]
One option for reducing air pollution is to cut back on major producer factories.
3 0
3 years ago
Which specific subdivision of the nervous system calms the body after strenuous physical activity?
7nadin3 [17]
The answer to this question would be: parasympathetic division

Parasympathetic nervous is part of the autonomous nervous system. In the autonomous nervous system, the sympathetic system is used when you enter the "fight or flight" mode. In this case, the body will be prepared to be able to take a decision as quickly as possible in a strenuous state. The nervous also cause an increase in the heart and breathing rate to increase body capability.
Parasympathetic is the opposite of it which was activated to calm the body so it can maintain the normal body function.
8 0
3 years ago
Which of the following statements is true? A thin layer of chyme protects the lining of the digestive tract from being broken do
zheka24 [161]

The correct answer is: Heartburn often results when the gastroesophageal sphincter fails to close properly.

The gastroesophageal sphincter is a muscle located at the bottom of the esophagus that has to be relaxed in order to allow food to flow down into the stomach. After it contracts (tightens), the food and the stomach acid can’t flow back up into the esophagus.

When the gastroesophageal sphincter fails to close properly acid reflux occurs and causes the heartburn.

6 0
3 years ago
1) Describe the process of osmosis
klemol [59]
1. Osmosis is a process which occurs when there is a difference in solute concentration between two solutions separated by a semipermeable membrane.

2. Osmotic pressure is the minimum pressure which needs to be applied to a solution to prevent the inward flow of its pure solvent across a semipermeable membrane. It is also defined as the measure of the tendency of a solution to take in pure solvent by osmosis.

3. The semipermeable membrane limits the diffusion of solutes in the water.

4. In an isotonic solution, the flow of water in and out of the cell is happening at the same rate. ... Water moves into and out of cells by osmosis.

5. Osmosis is basically diffusion with water. ... The most common example of facilitated diffusion is the movement of water across a cell membrane through transmembrane proteins, which requires no energy. They are simply powered by the concentration differences of the molecules between the two sides of the cell membrane.


(Hope this helped. Have a nice day.)
3 0
3 years ago
T/F. Autonomic ganglia are sights of synapse and information transmission from preganglionic to postganglionic neurons.
inessss [21]

Answer:

<u>True</u>

Explanation:

There are <u>two components of efferent/motor nervous system</u>.

1.<u>Autonomic Nervous System</u>

It innervates the<u> smooth muscles, glands and cardiac muscles and is under involuntary control. ANS is further divided into Sympathetic nervous system and parasympathetic nervous system.</u>

It is composed of<u> preganglionic neurons</u> and <u>postganglionic neurons</u>. <u>The axons of preganglionic neurons synapse on the cell bodies of postganglionic neurons. </u>

Autonomic ganglia of sympathetic nervous system form the paravertebral ganglia (long chains on either side of spinal cord) and autonomic ganglia of parasympathetic nervous system are located close to the organ which the fibers innervate.

<u>2. Somatic Nervous system</u>

It is responsible for<u> voluntary control of skeletal muscles and is composed of motor nerve and the innervated muscle.</u>

4 0
4 years ago
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