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What do cell membranes do in plant cells?
they allow some substances to come in and out of the cell. this is because they are semipermeable.
How do large substances get into and out of cells?
Exocytosis takes substances out of the cell and endocytosis brings substances into the cell.
Substances between cells and capiliaries?
There are only two substances found in between the blood cells and the capillaries. These are plasma and interstitial fluid.
What do you call cells eating other cells or substances?
Phagocytosis is the process where cells engulf and ingest other cells or solid particles. Endocytosis is a general term for the process by which cells take in substances from outside the cell by engulfing them in a vesicle.
Where substances come from and how they get to cells?
Substances come from various sources such as food, air, and water. Food provides essential nutrients that are broken down during digestion into smaller molecules, while air and water carry gases and ions. Once nutrients, gases, and ions are absorbed into the bloodstream, they are transported to cells through circulation. Cells then selectively take up these substances through processes like diffusion, active transport, or endocytosis.
What is the plant cells that control substances entering and leaving the cells?
cell membrane
What do killer cells attack?
toxic substances
What is the release of substances such as hormones or vitamins from cells?
The release of substances such as hormones or vitamins from cells is known as secretion. This is made possible by the hormonal endocrine system.
Which substances are secreted at the endings of nerve cells?
Neurotransmitters are the substances that are secreted at the endings of nerve cells to transmit signals to other nerve cells or target cells. These neurotransmitters can include molecules such as dopamine, serotonin, and acetylcholine.
What lets substances like food and oxygen diffuse into body cells?
The semi-permeable membrane in cells. Allows some substances to go through and not others.
Do pumpkins have cells?
Yes, all plants and other living substances have cells
What kind of cells activate immune system when foreign substances appear?
T-cells
