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3 years ago

Match these examples with the correct level of organization. Please hurry!!!

Biology

2 answers:

irina [24]3 years ago

8 0

Answer:

Organ systems: human body and circulatory system

organs: heart

tissue: muscle

Explanation:

Anvisha [2.4K]3 years ago

3 0

Answer:

Organ system → Circulatory system

Organ → Heart

Tissue → Cardiac muscle

Explanation:

The human body is a complex set of various organ systems. An organ system is a set of organs that work in a coordinated manner to perform various functions.

The circulatory system, for example, is made up of two systems: the lymphatic system (which carries lymph to the heart) and the cardiovascular system (which takes care of the blood flow throughout the body).

Thus, the circulatory system is formed by the heart, capillaries, veins, arteries, lymphatic vessels, thymus, spleen, lymph nodes, lymphatic tissues and bone marrow.

Organ, in turn, is a structure formed by a group of tissues that perform a specific function or group of functions.

For example, the heart, whose primary function is to pump blood throughout the body.

Tissues are sets formed by similar cells. Each type of tissue is capable of performing a specific function. Each organ may consist of one or more tissues.

The cardiac muscle tissue, for example, is responsible for involuntary contractions (regardless of one's will) of the heartbeat in a vigorous and rhythmic manner.

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Answer:

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3 years ago

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ivolga24 [154]

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1 year ago

DNA is found in the nucleus of eukaryotic cells and the ribosomes, the location where proteins are made, are found out in the cy

Reika [66]

Answer:

See the answer below

Explanation:

The DNA of eukaryotic organisms being present in the nucleus while the protein-synthesizing organelle, the ribosome being present in the cytoplasm poses a spatial problem. It means that transcribed DNAs (messenger RNA) in the nucleus would have to somehow be transported to the ribosome in order for the cell to successfully synthesize proteins.

The problem of transporting the messenger RNA is solved by two features of the cell:

The presence of pores in the nuclear envelop
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The mRNA binds to the transport proteins to form mRNA-protein complexes and is transported through the nuclear pores, often with the assistance of ATP.

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3 years ago