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why can small cells exchange substances more readily than large cells?

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Explain why large active organisms need special surface for exchange?

large organisms need larger area to exchange more substances.but large organisms have small surface area to volume ratio.this means that the surface is not large enough to enable gases and nutrients at the fast rate needed to keep all the cells alive.thus large organisms need special exchange surfaces to provide the body with the nutrients and gaseous exchange they require.


What type of tissue would look like large cells spaced closely together with a large nucleus?

The type of tissue that fits this description is epithelial tissue. Epithelial cells are tightly packed together with large nuclei located near the basal surface. This arrangement allows epithelial tissue to form protective barriers in the body and facilitate the exchange of substances.


What are 2 characteristics of substances that do not allow them to pass through semipermeable membranes of living cells?

Large molecular size and hydrophobicity are two characteristics that prevent substances from passing through semipermeable membranes of living cells. Large molecules cannot fit through the small pores of the membrane, while hydrophobic molecules are repelled by the hydrophilic nature of the phospholipid bilayer.


Why must cells be small?

Cells must be small in order to efficiently exchange nutrients and waste with their environment through their cell membrane. Smaller cells have a higher surface area-to-volume ratio, allowing for faster diffusion of materials. Additionally, smaller cells can efficiently and quickly transport molecules within the cell.


Flattened cells important in protection?

Flattened cells, such as squamous epithelial cells, are important in protection because their flat shape helps create a barrier that prevents the entry of pathogens and other harmful substances. They can form tight junctions that reduce the permeability of tissues, aiding in protection against infection and injury. Additionally, their large surface area allows for efficient exchange of gases and nutrients, crucial for maintaining tissue health.

Related Questions

Why can small cells exchange substance readily than large cells?

why can small cells exchange substances more readily than large cells?


Why can small cells exchange subtances more readily than large cells?

Small cells have higher surface area to volume ratio than larger cells.


2 substances that don't pass out of blood?

Red blood cells and large proteins are two substances that typically do not readily pass out of the blood vessels into surrounding tissues.


How do large substances get into and out of cells?

Exocytosis takes substances out of the cell and endocytosis brings substances into the cell.


Which substances passes most readily into a cell ions large molecules glucose carbon dioxide or polar molecules?

Ions


Explain why large active organisms need special surface for exchange?

large organisms need larger area to exchange more substances.but large organisms have small surface area to volume ratio.this means that the surface is not large enough to enable gases and nutrients at the fast rate needed to keep all the cells alive.thus large organisms need special exchange surfaces to provide the body with the nutrients and gaseous exchange they require.


What are disk like cells?

Disk-like cells refer to cells that have a flattened, disk-like shape, often found in tissues like epithelial cells. Their shape allows for efficient diffusion of substances across their surface and helps in the absorption and secretion of molecules. These cells are commonly found in tissues that require a large surface area for exchange of materials.


What type of tissue would look like large cells spaced closely together with a large nucleus?

The type of tissue that fits this description is epithelial tissue. Epithelial cells are tightly packed together with large nuclei located near the basal surface. This arrangement allows epithelial tissue to form protective barriers in the body and facilitate the exchange of substances.


What is Substances formed from plasma contains a large number of white blood cells?

Bone marrow


Which structure is responsible for the restriction of movement of large complex substances into the bloodstream of your body?

The structure responsible for the restriction of movement of large complex substances into the bloodstream is the endothelial cells that line blood vessels. These cells form a barrier known as the blood-brain barrier, which regulates the entry of substances from the bloodstream into the brain and spinal cord to protect the central nervous system.


When do cells do active transport?

When transporting substances from low to high concentration, or when transporting substances too large to pass through the membrane without assistance from a transport protein.


What are 2 characteristics of substances that do not allow them to pass through semipermeable membranes of living cells?

Large molecular size and hydrophobicity are two characteristics that prevent substances from passing through semipermeable membranes of living cells. Large molecules cannot fit through the small pores of the membrane, while hydrophobic molecules are repelled by the hydrophilic nature of the phospholipid bilayer.