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charle [14.2K]
3 years ago
9

What level of organization is the human heart?

Biology
1 answer:
Vera_Pavlovna [14]3 years ago
4 0
The levels of organization are:
atoms-molecules-cells-tissue-organ-organ system-organism

the human heart is an organ, or the fifth level of organization.  :) hope I helped you out!

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When looking at an object in a solution, how do you determine what is hypertonic/hypotonic/isotonic?
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2. Modern fishing ventures provide jobs for which type of worker
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3 years ago
Which organelles are found in a plant cell? Check all that apply. Endoplasmic reticulum centrioles cell wall vacuoles lysosomes
Shalnov [3]

Answer: Endoplasmic reticulum, cell wall, vacuoles, lysosomes, mitochondria, chloroplasts and cell membrane.    

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Cell wall is a rigid structural layer which forms an envelope around a cell. It is a rigid structural layer which is composed of cellulose. It provides protection to the cell and exhibit pores which facilitates the transfer of materials to pass to and from the cell membrane.

Cell membrane is a layer that surrounds the cell and separate it from the external environment. It is a selectively permeable structure which controls the material which is going in and out of the cell.

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Chloroplasts are the organelles specifically found in the plant leaves. They have special pigment called as chlorophyll that traps the light energy from sun to conduct photosynthesis.

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Lysosomes are the small sac like structures they exhibit a single membrane which contains strong enzymes which are capable of digesting cellular wastes. They also called as suicidal bags.

Centriole is an organelle which is not found in the plant cell. It is only found in the animal cells, their is a pair of centriole,  which are minute cylindrical organelles near the nucleus. These helps in the development of spindle fibers during cellular division.

8 0
3 years ago
Read 2 more answers
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