A&P2 Chapter 18 - Blood, Heart, and Circulatory System

Vocabulary flashcards covering the physical characteristics, volume, pH, and formed elements of blood based on Chapter 18 lecture notes.

Blood

A connective tissue composed of formed elements and plasma, comprising about 8% of total body weight.

Plasma

The matrix of the blood, which consists of 55% of total blood volume.

Formed Elements

The solid components of blood tissue making up 45% of blood volume, consisting of blood cells and platelets.

Blood pH

Slightly alkaline, ranging from 7.35 to 7.45.

Blood Viscosity

Blood is heavier and 4x thicker (Viscous) than water.

Male Blood Volume

Averages 5-6 liters in males.

Female Blood Volume

Averages 4-5 liters in females.

Erythrocytes

Also known as BBC's, red blood cells, or rubrocytes.

Leukocytes

Also known as WBC's or white blood cells.

Thrombocytes

Also known as platelets, elements responsible for blood clotting that are vital in oxygen transport and immune response.