Question

short answer
complete this section with short written answers using the space provided.

1. list the five components of blood and each of their functions.
2. list the five sections of the spinal column and indicate the number of vertebrae in each.

Explanation:

1. Blood components and functions: Plasma - transports nutrients, hormones, waste; Red blood cells - carry oxygen; White blood cells - fight infections; Platelets - aid in blood - clotting; Buffy coat (a combination of white blood cells and platelets) - part of immune and clotting processes.
2. Spinal column sections and vertebrae numbers: Cervical - 7 vertebrae; Thoracic - 12 vertebrae; Lumbar - 5 vertebrae; Sacral - 5 (fused into 1 sacrum in adults); Coccygeal - 4 (fused into 1 coccyx in adults).

Answer:

1. Plasma: Transports nutrients, hormones, waste. Red blood cells: Carry oxygen. White blood cells: Fight infections. Platelets: Aid in blood - clotting. Buffy coat: Part of immune and clotting processes.
2. Cervical: 7 vertebrae. Thoracic: 12 vertebrae. Lumbar: 5 vertebrae. Sacral: 5 (fused into 1 sacrum in adults). Coccygeal: 4 (fused into 1 coccyx in adults).