Which of the following best sequences the functions of the digestive system from start to finish?

2 answers:

5 0

The answer is d. Ingestion, digestion, absorption, elimination.

There are 4 phases of the digestive system function:
1. Ingestion - the process of the food entering the mouth.
2. Digestion - the process of breaking the food into small particles.
3. Absorption - the process of the absorbing small food particles into the blood from the intestines.
4. Elimination - is the process of removing the waste out of the body.

HACTEHA [7]3 years ago

3 0

I had a gastric bypass 10 years ago and I am 100% certain it is D. Ingestion, digestion, absorption, elimination

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We have already talked about another class of chemicals that helps send signals in the bodyâ€”neurotransmitters. How are neurotr

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Answer:

Similarities: both are chemical messengers, both can have (but don't necessarily have) similar structures (made from amino acids), both can be produced by the central nervous system (hypothalamus produces some hormones), certain molecules can act as both hormones and neurotransmitters (example: norepinephrine).

Differences: neurotransmitters are released by neurons across a synaptic gap, have very short distances to travel, and act very quickly on the neighboring cell. Hormones are released by glands and often have to travel longer distances, which means that they are slower-acting. Also, hormones are typically used for regulation (negative feedback) while neurotransmitters are used for stimulation of a neighboring cell.

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2 years ago

the site of atapuerca in northern spain is one of the most important fossil hominin sites in europe. identify what the following

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There have be found some fossils of ancient remains over the years. What the fossils from Atapuerca revealed about the hominins living in Europe at this time is below:

The Skull is known to show Interbreeding that took place with neandertals and their relatively healthy population.

The Fragment shows that there was a possibility of cannibalism in that area.

It shows that possible cannibalism took place as there were Cutmarks on various hominin bones found at Atapuerca mirror.

The relatively healthy population was found out through the study of the dentition of the Atapuerca hominins by anthropologists. It gave them a view into their diet and overall health.

The interbreeding with the Neandertals was shown through the Nuclear DNA that was gotten from bones and teeth of bones found at Sima de los Huesos

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