Blood Cells
A single drop of blood contains millions of red blood cells, white blood cells, and platelets. One of each type is shown here, isolated from a scanning electron micrograph.Chapter Objectives
After studying this chapter, you will be able to:
- Identify the primary functions of blood, its fluid and cellular components, and its physical characteristics
- Identify the most important proteins and other solutes present in blood plasma
- Describe the formation of the formed element components of blood
- Discuss the structure and function of red blood cells and hemoglobin
- Classify and characterize white blood cells
- Describe the structure of platelets and explain the process of hemostasis
- Explain the significance of AB and Rh blood groups in blood transfusions
- Discuss a variety of blood disorders
Single-celled organisms do not need blood. They obtain nutrients directly from and excrete wastes directly into their environment. The human organism cannot do that. Our large, complex bodies need blood to deliver nutrients to and remove wastes from our trillions of cells. The heart pumps blood throughout the body in a network of blood vessels. Together, these three components—blood, heart, and vessels—makes up the cardiovascular system. This chapter focuses on the medium of transport: blood.
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Mục lục
- Anatomy & Physiology
- Preface
- Unit 1: Levels of Organization
- Unit 2: Support and Movement
- The Integumentary System
- Bone Tissue and the Skeletal System
- Axial Skeleton
- The Appendicular Skeleton
- Joints
- Muscle Tissue
- The Muscular System
- Introduction
- Interactions of Skeletal Muscles, Their Fascicle Arrangement, and Their Lever Systems
- Naming Skeletal Muscles
- Axial Muscles of the Head, Neck, and Back
- Axial Muscles of the Abdominal Wall, and Thorax
- Muscles of the Pectoral Girdle and Upper Limbs
- Appendicular Muscles of the Pelvic Girdle and Lower Limbs
- Unit 3: Regulation, Integration, and Control
- The Nervous System and Nervous Tissue
- Anatomy of the Nervous System
- The Brain and Cranial Nerves
- The Autonomic Nervous System
- The Neurological Exam
- The Endocrine System
- Introduction
- An Overview of the Endocrine System
- Hormones
- The Pituitary Gland and Hypothalamus
- The Thyroid Gland
- The Parathyroid Glands
- The Adrenal Glands
- The Pineal Gland
- Gonadal and Placental Hormones
- The Endocrine Pancreas
- Organs with Secondary Endocrine Functions
- Development and Aging of the Endocrine System
- Unit 4: Fluids and Transport
- The Cardiovascular System: Blood
- The Cardiovascular System: The Heart
- The Cardiovascular System: Blood Vessels and Circulation
- The Lymphatic and Immune System
- Introduction
- Anatomy of the Lymphatic and Immune Systems
- Barrier Defenses and the Innate Immune Response
- The Adaptive Immune Response: T lymphocytes and Their Functional Types
- The Adaptive Immune Response: B-lymphocytes and Antibodies
- The Immune Response against Pathogens
- Diseases Associated with Depressed or Overactive Immune Responses
- Transplantation and Cancer Immunology
- Unit 5: Energy, Maintenance, and Environmental Exchange
- The Respiratory System
- The Digestive System
- Metabolism and Nutrition
- The Urinary System
- Introduction
- Physical Characteristics of Urine
- Gross Anatomy of Urine Transport
- Gross Anatomy of the Kidney
- Microscopic Anatomy of the Kidney
- Physiology of Urine Formation
- Tubular Reabsorption
- Regulation of Renal Blood Flow
- Endocrine Regulation of Kidney Function
- Regulation of Fluid Volume and Composition
- The Urinary System and Homeostasis
- Fluid, Electrolyte, and Acid-Base Balance
- Unit 6: Human Development and the Continuity of Life
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