Which of the following is the correct sequence of blood flow in birds and mammals?a. left ventricle â†’ aorta â†’ lungs â†’ systemic circulationb. vena cava â†’ right atrium â†’ right ventricle â†’ pulmonary veinc. pulmonary vein â†’ left atrium â†’ left ventricle â†’ pulmonary circuitd. vena cava â†’ right atrium â†’ right ventricle â†’ pulmonary artery

Answers

Answer 1

Answer:

Answered below

Explanation:

Birds and mammals have a double circulatory system and a four-chambered heart which separates the oxygenated blood and the deoxygenated blood from each other in the heart. This system of circulation is necessary to serve the high energy needs of the mammals and birds.

In this system, deoxygenated blood from the body passes through the superior and inferior Vena Cava into the right atrium. From the right atrium it flows into the right ventricle. From the right ventricle, it is then pumped into the pulmonary artery to be carried to the lungs. In the lungs, the deoxygenated blood is oxygenated and returned to the heart through the pulmonary veins.

Oxygenated blood enters the left atrium from the lungs through the pulmonary veins. It then moves into the left ventricle. In the left ventricle, it is then pumped into the aorta. The aorta is a large vessel that runs the length of the vertebral column, branching off to be circulate blood in the body system.

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Cells responsible for body movement are _____ cells.-neuron
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Answers

#3- Muscles.
Muscles contract and relax, and thats what pulls your body to move forwards, sit, or whatever

The correct answer is Muscles.

The offspring of two individuals must have certain characteristics for it to be considered a species?Select all that apply
A) they must be fertile
B) they must be dominant
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D) they must be unique
E) they must be sterile

Answers

B ) they must be dominant

A population of squirrels lived together in a forest. An event occurred that caused the population to diverge into two different species over a long period of time. Which of the following is most likely the event that occurred?

Answers

There are no choices given, but the event was most likely a physical one that would have barred the squirrels from seeing each other. Squirrels are a social creature, and the event that would have separated the populace could have been anything from a large fire to an earthquake that separated the squirrels from each other.

Answer:

Explanation:

A natural disaster occurred that separated squirrels.

An important role of fungi in an ecosystem is A) performing photosynthesis. B) breaking down dead organisms C) making alcohol D) killing bacteria

Answers

The correct answer is B-breaking down dead organisms, because fungi are parasites and they live on trees in forests. Mushrooms are a result of fungi.

I explained this time , because always , my answers get reported.

The answer to your question is

B. breaking down dead organisms.

What are the aberrant?

Answers

In Biology aberrant refer to something that's diverging from the normal types.

For example : Cancer Cells

Cancer cells usually keep multiplying at uncontrollable pace which is diverge from the normal cells' pace which make it aberrant

All living organisms are composed of microscopic building blocks called

Answers

All living organisms are composed of microscopic building blocks called cells, which are the structural and functional unit of life because this cell has many organelles and genetic materials that carry out different cellular functions.

What is the importance of the cell?

The cell is the structural and functional unit of life, and it is microscopic in size. Cells join together to form tissue, and tissue joins together to form organs, which perform various functions in the multicellular organism.

The cell contains organelles such as the nucleus, which contains genetic components such as DNA. Genes that encode genetic information are present on the DNA, and depending on the gene, the cell does its function. The cell regulates both unicellular and multicellular organisms, maintains homeostasis, performs different functions, etc.

Hence, all living organisms are composed of microscopic building blocks called cells, which are the structural and functional units of life and consist of geneticmaterials.

Learn more about the cell here.

brainly.com/question/12129097

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The basic unit of life is cell.

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