No, blood is not a pure substance.
What is a Pure Substance?
A pure substance is made up of only one type of molecule. For example, water (H<sub>2</sub>O) is a pure substance because it is made up of only water molecules.
What Makes Blood Impure?
Blood is a complex mixture of many different components, including:
- Red blood cells: Carry oxygen throughout the body.
- White blood cells: Fight infections.
- Platelets: Help blood clot.
- Plasma: The liquid part of blood, which carries nutrients, hormones, and waste products.
Because blood is made up of many different components, it is considered a mixture and not a pure substance.
Why is Blood Important?
Blood is essential for life. It delivers oxygen and nutrients to all parts of the body and removes waste products. Blood also helps to regulate body temperature and fight infections.