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alukav5142 [94]
3 years ago
8

The human body is capable of movement because the muscular and skeletal systems work closely together. Of the pairs of human bod

y systems listed, what two are most closely linked in function?
Biology
1 answer:
Verdich [7]3 years ago
6 0
<span>A human body is composed of muscles. Without it, the human body cannot function and will die. </span>

There are three types of muscle tissues: Skeletal muscle, Cardiac muscle, and Smooth muscle.

The skeletal muscle aids in the movement of the human skeleton. The 600 skeletal muscles make up 40 % of our body weight and are reliant on the signals released by our nervous system to start moving.

<span>Cardiac muscles are those muscles which encloses our hearts. They are involuntary muscles which pumps blood throughout our bodies by creating steady and rythmic pulsing. They also make our heart contract by producing electrical impulses. </span>

<span>Smooth muscles are found in the walls of blood vessels, respiratory passageways, and hollow organs. Its contracting movement is wavelike and it helps in the transfer of food through our stomachs or urine through our bladder. </span>

<span>These muscles responds to nerve impulses and other stimuli.</span>
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How does oxygen diffuse within the lungs? a. It diffuses from the capillaries into the veins. c. It diffuses from the alveoli in
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The answer should be C, It diffuses from the alveoli into the blood.


Alveoli, also called the air sac, is the place where the oxygen we breathed in is exchanged with carbon dioxide that our body produces. Oxygen is passed into the blood in the capillaries through the process of diffusion, while carbon dioxide is diffused from the blood back to the alveoli, so that we can exhale the carbon dioxide after that.


Both a and b are not right because when we breathe in, the oxygen travels from the trachea to the bronchi, to the bronchiole, and to the alveoli, instead of directly into blood vessels like arteries, capillaries, or veins. d is also not right because the direction is wrong.


Therefore, your answer should be C.

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3 years ago
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In the scientific method: Select one: a. Hypotheses to be tested are formulated after collecting the data. b. Publication is an
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In the scientific method, the self-correcting nature of science usually means that mistakes or even deceptions do not last long.

Scientific Method

The scientific method is the process chosen by scientists and researchers to investigate or verify a  phenomenon.  It involves various steps such as making an observation, asking the question, forming the hypothesis, collecting the data, testing the hypothesis, and deriving the conclusion.

Science is always self-correcting as every piece of information is scrutinized over and over again. Often disproving existing information with appropriate evidence is considered a prestigious and high achievement. This is unlike politics, religion, etc where such a person might get prosecuted. It is often regarded as the aim of science is not to proclaim a piece of information as absolute truth but to keep improving a piece of existing information.

Learn more about the scientific method here:

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Explanation:

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