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3 years ago

The digestion of food includes the mechanical actions of:

Biology

2 answers:

Roman55 [17]3 years ago

4 0

Answer:

Peristalsis moves food through the digestive system with alternating waves of muscle contraction and relaxation. Digestion includes both mechanical and chemical processes. Mechanical digestion is a purely physical process that does not change the chemical nature of the food.

maxonik [38]3 years ago

3 0

Answer:

Digestion of food is a process which starts from mouth and continuous till intestine. The mechanical process which are involved is movement of tongue, chewing through teeth, peristalsis, etc.

Explanation:

Digestive system of a body includes mouth, food pipe, stomach, intestine. This system breaks down the food that a person eats into small particles which is helpful for conversion of food into energy. This energy is utilized by the body to perform different life functions.

The essential minerals and vitamins which are present in the food are absorbed in intestine. When we eat food, the food gets mixed with saliva which is present in our mouth. This mixing is necessary for the digestion of food.

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Stuart is studying weather data for his region. The data was gathered from 1950 to 2016. Which observation would provide the STR

marusya05 [52]

Answer:

Explanation:

The climate of a region is determined through the observation of weather patterns over a long time- usually at least 15 years- in a region. Studying climate change would therefore also take very long time as meteorologists attempt to perceive changes in these weather patterns. In this case 30 years can be enough to notice a significant increase in rainfall patterns which can be classified as climate change.

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3 years ago

When the stress response is initiated, changes come about because of the activation of a branch of the nervous system called the

rosijanka [135]

Answer:

autonomic nervous system

Explanation:

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1 year ago

Which term describes the chromosomal abnormality of having extra chromosomes?

Trava [24]

Polyploidy is the term that describes the chromosomal abnormality of having extra chromosomes.

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3 years ago

Read 2 more answers

Structure A is a _____.

Nookie1986 [14]

Answer:

solute

Explanation:

The cell membrane with an integral molecule that consists of two similar parts with a specific recess. There are many particles in the extracellular fluid. One of these particles is labeled A.

Structure A is a solute

Solute refers to the component which is dissolved in the solvent.

The solvent is the substance in which the solute is dissolved.

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2 years ago

In your own words, explain the difference between the pitch and intensity of sound.

lutik1710 [3]

Answer:

The pitch of a sound is how high or low a sound is when we hear it, whereas the intensity of a sound is the energy/vibrancy of the sound over an area and depends on the frequency of the sound as well.

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1 year ago