1. Blood Plasma: This is the liquid component of blood, accounting for about 55% of its total volume. It's a pale yellow, straw-colored fluid that carries various substances throughout the body.
Here's what blood plasma is made of:
* Water: This makes up the majority of plasma (about 92%).
* Proteins: These include albumin, globulins, and fibrinogen, playing roles in maintaining blood pressure, transporting substances, and clotting.
* Electrolytes: These are minerals like sodium, potassium, calcium, and chloride, essential for nerve and muscle function.
* Nutrients: This includes glucose, amino acids, and fatty acids, which are transported to cells for energy and growth.
* Waste Products: These are substances like urea and creatinine, carried to the kidneys for excretion.
* Hormones: These are chemical messengers produced by glands, traveling through the plasma to target tissues.
* Gases: This includes oxygen (O2) and carbon dioxide (CO2), transported for cellular respiration.
2. Cellular Plasma: This refers to the cytoplasm, the fluid inside cells. It's a complex, jelly-like substance that fills the space between the cell membrane and the nucleus.
Here's what cellular plasma (cytoplasm) contains:
* Cytosol: This is the fluid portion of cytoplasm, containing dissolved substances like ions, sugars, and amino acids.
* Organelles: These are specialized structures within the cell, such as mitochondria, ribosomes, and the Golgi apparatus, each performing specific functions.
* Inclusions: These are temporary structures that can be found within the cytoplasm, like fat droplets or glycogen granules.
In summary: While both types of plasma are fluids, blood plasma is a component of blood, circulating through the body, while cellular plasma (cytoplasm) is the fluid within cells, supporting their internal functions.
