Published: 17 Feb 2024

For Children

* A numbing cream is applied to minimize discomfort from the needle.

Understanding Results

* Once you receive your results, ask your doctor for clarification if needed.
* Some people may not notice the nerve during blood collection, preventing a fear of blood tests.

Procedure

* A small blood sample is drawn, typically from a vein in the arm.
* Consult with your doctor to understand the reasons for the recommended tests.
* Blood tests are usually performed in hospital or clinic laboratories.

Blood as a Vital Fluid

* Blood transports oxygen, nutrients, and other essential substances from organs to cells.
* It removes waste products and gases (including carbon dioxide) from cells.
* Blood plays a crucial role in the body's defense system.

Functions of Blood

* Transports oxygen, nutrients, and waste products
* Carries hormones and signals tissue damage
* Provides immunity through white blood cells and antibodies
* Helps repair and heal injuries through coagulation (clotting)

Clotting Mechanism

* When a wound occurs, blood clots to seal the opening and prevent excessive bleeding.
* This process aids in the body's self-repairing mechanism.