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MA_775_DIABLO [31]
2 years ago
7

What is the function for common carotid arteries for frogs?​

Biology
1 answer:
Yanka [14]2 years ago
6 0

Answer:

Carotid arteries also branch off the aortic arches and supply the head region. Veins bring blood to the left and right atria. Both atria then empty into the single ventricle. Blood from the ventricle thus enters either the pulmonary or body circulation.

Explanation:

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sveticcg [70]

Answer: Decomposers

Explanation:

6 0
3 years ago
Read 2 more answers
Describe the advantage of an excretory system for terrestrial animals
yaroslaw [1]
The excretory system allows animals to remove metabolic waste their bodies. Many of these substances are potentially toxic. in Mammals nitrogenous toxins like urea are expelled through liquid urine while in reptiles and birds the nitrogenous compounds are expelled as a solid. This allows birds and reptiles to use less water in the processes of metabolism.
7 0
3 years ago
In chickens, comb shape is determined by genes at two loci (R, r and P, p). A walnut comb is produced when at least one dominant
slega [8]

Answer:

1:1:1:1 walnut comb

Explanation:

If a cross is made between a female who is RRpp (rose comb) and a male who is rrPP (pea comb)  then:

P: RRpp  x  rrPP

F1: RrPp RrPp RrPp RrPp

This means that all of the offspring in F1 generation will have heterozygous genotype (at both loci). Since it contains both dominant alleles, the phenotype is walnut comb.

4 0
3 years ago
Describe the structure of alveolus which is known as tha breating organ.
Dovator [93]
The alveolus (singular form) or alveoli (plural form) are tiny sacs of organs that are attached to the ends of the alveolar duct. These tiny sacs of air are clumped together that form interconnected caves, working together as a unit. They are found inside the lungs and they make the exchange of air easy and possible. Alveoli units are responsible for putting oxygen into the air that we breathe in. Blood that passes through the heart and into the lungs are converted into oxygen which will be then transported by the blood all over the body systems.  
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The walls of the alveoli are extremely thin to enable the quick exchange of gases Aside from this, the linings of alveoli units are fluid in nature enabling gases to dissolve.  </span>
5 0
3 years ago
Nitrogen is changed into which substances before being used by living things
ANEK [815]

Answer:

nitrogen can be changed into macromolecules like proteins and nucleic acids (DNA and RNA)

Explanation:

8 0
2 years ago
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