BIO 112 Ch. 12 Flashcard

Front

What is a granulocyte?

Back

A type of white blood cell characterized by the presence of granules in its cytoplasm, including neutrophils, eosinophils, and basophils.

Front

Which white blood cell is not a granulocyte?

Back

Lymphocyte.

Front

What is hemostasis?

Back

The process of blood clotting and wound healing, involving three steps: vascular spasm, platelet plug formation, and coagulation.

Front

What are the three steps of hemostasis?

Back

1. Vascular spasm: Blood vessels constrict to reduce blood flow. 2. Platelet plug formation: Platelets adhere to the site of injury and aggregate. 3. Coagulation: Fibrin forms a mesh that solidifies the platelet plug.

Front

What is the primary function of blood?

Back

Transporting oxygen and nutrients to cells and removing waste products.

Front

What are the main components of blood?

Back

Red blood cells, white blood cells, platelets, and plasma.

Front

What substances are found in plasma?

Back

Water, proteins, electrolytes, nutrients, and waste products.

Front

What is the role of red blood cells?

Back

To transport oxygen from the lungs to the body's tissues and return carbon dioxide from the tissues to the lungs.

Front

What is the function of white blood cells?

Back

To defend the body against infections and foreign substances.

Front

What are platelets?

Back

Cell fragments that play a crucial role in blood clotting.