Describe the flow of blood through the human body, including through each of the four chambers of the heart. Explain how the blood changes as it moves through various locations in the body.

Answers

Answer 1

Answer: Unoxygenated blood from veins enters the right atrium then it goes down to the right ventricle then out through the pulmonary artery to the lungs where it becomes oxygenated blood which then enters the heart through the pulmonary veins and it goes to the left atrium and then is pumped down to the left ventricle and out through the aorta to the arteries where it travels to different organs and becomes deoxygenated and then the cycle repeats itself.

Answer 2

Answer:

the answer above or below is correct

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What type of cell is the cell membrane

Answers

Answer:

All cells have an outer plasma membrane that regulates not only what enters the cell, but also how much of any given substance comes in. Unlike prokaryotes, eukaryotic cells also possess internal membranes that encase their organelles and control the exchange of essential cell components.

Explanation:

The cell membrane, therefore, has two functions: first, to be a barrier keeping the constituents of the cell in and unwanted substances out and, second, to be a gate allowing transport into the cell of essential nutrients and movement from the cell of waste products.

pls mark brainiest

Which structure in a cell makes protein

Answers

Ribosomes I'm pretty sure it the answer

How is nitrogen from the atmosphere, the abiotic part of the ecosystem, converted into the biotic part of the ecosystem in organisms?

Answers

In the process of the nitrogen cycle.
The nitrogen cycle is a biogeochemical succession process of nitrogen that involves: fixation, ammonification, nitrification, and denitrification. Like any other biogeochemical cycles. This process undergoes and affects the biological, geometrical and chemical aspects in the ecosystem and the abiotic and biotic community. Hence, the nitrogen cycle leads the abiotic component –nitrogen- to contribute to the biotic community, decomposition and primal production. Further, it becomes an essential part of the environment because some life components are contains it, similarly, amino acids, nucleic acids in RNA and DNA.

What is plasma used for

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Plasma is used in patients with active bleeding, with multiple deficiencies of secondary coagulation factors advanced liver disease.

Mostly for internal body problems. (bleeding)

When a bus company trains bus drivers on a simulator, they are employing _____ training. A. substitute
B. vestibule
C. on-the-job
D. performance

Answers

they are employing B. vestibule training

A student grouped animals into two separate groups based on a characteristic shared by all of the animals in each group. The two groups are shown below.What characteristic did the student most likely use to group the animals?
A.
presence or absence of lungs
B.
prokaryotic or eukaryotic
C.
autotrophic or heterotrophic
D.
presence or absence of backbone

Answers

D. presence or absence of a backbone

Answer:

Explanation:

All of the animals on the left are vertebrates, or in other words, they have a backbone. The animals on the right are invertebrates or without a backbone. Hope this helps!

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