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-BARSIC- [3]
3 years ago
8

Which is the best way to describe how cells get nutrients?

Biology
2 answers:
jek_recluse [69]3 years ago
7 0
Passive and active transport utilize small proteins embedded in the selectively permeable membrane which allow the nutrients to enter the cell.
kodGreya [7K]3 years ago
4 0
Cells get there nutrients from food the organism and plants get theres from a process called photosynthesis which is when they use sunlight for energy and proteins.
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Explain the biological structure hierarchy of the human body and the role of homeostasis in maintaining the body. Include the fo
Nuetrik [128]

Answer:

1. Biological structure of the human body

The human body is organized in different levels according to their complexity.

The levels are the folowing (increasing complexity).

1. Atom (N, O, C,..)

2. Molecule (Protein, lipids, water...)

3. Organelle (mitochondria, golgi apparatus,...)

4. Cell (blood cells, bone cell,..)

5. Tissue (connective tissue, epithelial tissue,..)

6. Organ (lungs, kidney,..)

7. Organ system (skeletal system, muscuar system,...)

8. Organism (the human body)

Each of the levels is formed by an agrupation of the previous level. For example, cells are formed by a number of organelles, and a group of cells form a tissue.

Cells are the basic units of structure of the body, and there are different types of them.

2. Homeostasis

Homeostasis is a process of the body by which the organism works to maintain a stable internal environment, while adjusting to changes in the external environment.

This process is possible because of the work of both the nervous system and the endocrine system. While the first controles the body's activities and detects the necesity of adjustments, the second regulates the activities by using hormones.

6 0
1 year ago
Which lane describes the father?
geniusboy [140]
the answer is A according to my knowledge.
4 0
3 years ago
3. The time between the end of ventricular systole to the beginning of atrial systole.
amid [387]

Answer:

The time between the end of ventricular systole to the beginning of atrial systole is 100 ms or 0.1 seconds.

Explanation:

Ventricular systole is the removal of blood from the heart by pumping through aorta and pulmonary vein. Both aorta and pulmonary vein receive the blood from the heart. Aorta receives oxygenated blood and pulmonary vein receive deoxygenated blood, while atrial systole is the addition of blood into the ventricular from vena cava and pulmonary artery due to contraction of heart. This process occurs in 100 ms.

6 0
3 years ago
Why are pepsinogen and trypsinogen secreted in an inactive form​
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Explanation:

<em>pepsin</em><em> </em><em>enzy</em><em>me</em><em> </em><em>is</em><em> </em><em>secreted</em><em> </em><em>by</em><em> </em><em>gastri</em><em>c</em><em> </em><em>glands</em><em> </em><em>of</em><em> </em><em>the</em><em> </em><em>stom</em><em>ach</em><em> </em><em>as</em><em> </em><em>inac</em><em>tive</em><em> </em><em>pepsino</em><em>gen</em><em> </em><em>to</em><em> </em><em>protec</em><em>t</em><em> </em><em>the</em><em> </em><em>cells</em><em> </em><em>of</em><em> </em><em>these</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em>

<em>tHx</em><em> </em><em>fOr</em><em> pOinTs</em><em> mAn</em><em> </em>!!!

6 0
3 years ago
Read 2 more answers
What part of the cell is mostly water, why is that important?
Inessa [10]
I believe it is the blood cell...

5 0
3 years ago
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