CHAPTER 1 Introduction to the Human body Spinal cord Pectoralis Sartorius anterior DEFINITION Skeletal muscles of the body and their DEFINITION Brain, spinal cord, nerves, and sensor tendinous attachments organs such as the eye and the ear. FUNCTIONS Effects body movements, maintains FUNCTIONS Detects and responds to changes in posture, and produces body heat internal and external environments, enables reasoning Figure 1. 4 Muscular system and memory, and regulates body activities. Figure 1.5 Nervous system Pituitary gland ral cavity Salivary glands Adrenal gland Pancreas Gallbladder Duodenum Small intestine Large intestine DEFINITION The hormone-producing gland DEFINTION The body organs that render ingested FUNCTIONS Controls and integrates body functions foods absorbable via hormones secreted into the bloodstream FUNCTIONS Mechanically and chemically breaks Figure 1.6 Endocrine system down foods for cellular use and eliminates undigested Figure 1.7 Digestive syste4 CHAPTER 1 Introduction to the Human Body DEFINITION Skeletal muscles of the body and their tendinous attachments. FUNCTIONS Effects body movements, maintains posture, and produces body heat. Figure 1.4 Muscular system. DEFINITION Brain, spinal cord, nerves, and sensory organs such as the eye and the ear. FUNCTIONS Detects and responds to changes in internal and external environments, enables reasoning and memory, and regulates body activities. Figure 1.5 Nervous system. DEFINITION The hormone-producing glands. FUNCTIONS Controls and integrates body functions via hormones secreted into the bloodstream. Figure 1.6 Endocrine system. DEFINITION The body organs that render ingested foods absorbable. FUNCTIONS Mechanically and chemically breaks down foods for cellular use and eliminates undigested wastes. Figure 1.7 Digestive system