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o-na [289]
3 years ago
5

Why do humans need digestive chemicals

Biology
1 answer:
lora16 [44]3 years ago
5 0

Explanation:

Chemical digestion is a vital part of the digestive process. Without it, your body wouldn't be able to absorb nutrients from the foods you eat. While mechanical digestion involves physical movements, such as chewing and muscle contractions, chemical digestion uses enzymes to break down food. Make my inbox healthier.

You might be interested in
Discuss the relationship between food webs and trophic levels.
Damm [24]
The tropic level is each level of hierarchy in an ecosystem and the primary source of energy left over after an animal is consumed from the lowest level up. a food web is a system of inner locking interdependent food chains.
Hope it helped
8 0
3 years ago
According to the cladogram shown, which organism is most closely related to Arabidopsis?
ANEK [815]

Cycad is more closely related to the Arabidopsis . It is so as the closest species from the node of cladogram posses the most common traits as each node represents the end of the ancestral taxon and the species that further split from the node are called sister taxa.

7 0
3 years ago
please help!!!!!!A fossil originally had 254 grams of carbon-14 but currently has 127 grams of carbon-14. The fossil is most lik
WITCHER [35]

Answer:

C-14 from fossil had reached itshalf life

Explanation:

For radiactive isotopes (such as Carbon-14), per definition; the semi life or semi disintegration period; is defined as the time for which a certain mass isotope mass disintegrates to half of the atoms that make it up

For Carbon-14, this semi life period is 5730 years , and for the above example, as it is mentioned that we originally had 254 grams of C-14 but we currently have 127 grams (this is, exaclt half of the original mass of 254 grams), this leads us that 5730 years have passed since the original mass and the final mass (that is, one semi life period of C-14)

7 0
2 years ago
Which of the following diseases is caused by a helminth?
rosijanka [135]

Answer:

schistosomiasis

Explanation:

Helminths are the parasites with a worm-like body structure and include the flatworms, tapeworms, and nematodes.

Trematode flatworms are the flatworms that cause the disease schistosomiasis. The schistosomiasis parasite is spread when freshwater snail releases its larva in the water bodies which in turn enter the healthy person bathing in the water.

8 0
2 years ago
Which phase of cellular respiration makes the most atp
babymother [125]

Answer:

The stage of cellular respiration which yields the most ATP is the electron transport chain.

Explanation:

6 0
3 years ago
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