Anatomy & Physiology I: Course Overview

This study guide summarizes the main topics and subtopics covered in a typical college-level Anatomy & Physiology I course, based on the provided schedule. Each section introduces foundational concepts, systems, and practical skills essential for understanding human structure and function.

Cellular and Chemical Foundations

Understanding the basic building blocks of life is essential for studying anatomy and physiology. This section covers the chemical basis of life and the structure and function of cells.

• Chemistry Comes Alive: Introduction to atoms, molecules, and chemical reactions relevant to biological systems.

• Cells: The Living Units: Structure and function of eukaryotic cells, including organelles and cellular processes.

• Example: The role of mitochondria in cellular respiration.

Tissues and Histology

Tissues are groups of cells with similar structure and function. Histology is the study of these tissues under the microscope.

• Classification of Tissues: Four basic tissue types: epithelial, connective, muscle, and nervous tissue.

• Microscopic Anatomy: Identification and function of tissues using histological slides.

• Example: Epithelial tissue lines body surfaces and cavities.

Integumentary System

The integumentary system includes the skin and its derivatives, serving as the body's first line of defense.

• Structure of Skin: Layers of the skin (epidermis, dermis, hypodermis) and their functions.

• Functions: Protection, sensation, temperature regulation, and vitamin D synthesis.

• Example: Melanin in the epidermis provides UV protection.

Skeletal System

The skeletal system provides support, protection, and movement, and is composed of bones and joints.

• Overview of the Skeleton: Axial and appendicular skeletons, bone classification, and functions.

• Bone Structure: Anatomy of a typical long bone, including compact and spongy bone.

• Example: The femur is a long bone in the appendicular skeleton.

Muscular System

The muscular system enables movement and maintains posture through contraction of muscle tissue.

• Muscle Tissue Types: Skeletal, cardiac, and smooth muscle.

• Gross Anatomy of Muscles: Major muscle groups and their functions.

• Example: The biceps brachii flexes the forearm.

Nervous System

The nervous system coordinates body activities through electrical and chemical signals.

• Neurons and Neuroglia: Structure and function of nerve cells and supporting cells.

• Central and Peripheral Nervous Systems: Organization and major functions.

• Example: The spinal cord transmits signals between the brain and body.

Autonomic Nervous System & Special Senses

The autonomic nervous system regulates involuntary functions, while special senses allow perception of the environment.

• Autonomic Nervous System: Sympathetic and parasympathetic divisions and their effects.

• Special Senses: Vision, hearing, taste, smell, and equilibrium.

• Example: The sympathetic division increases heart rate during stress.

Laboratory Practicals and Exams

Laboratory practicals assess hands-on skills in identifying anatomical structures and tissues. Exams test theoretical understanding of course material.

• Lab Practicals: Identification of tissues, bones, muscles, and nervous system structures.

• Exams: Comprehensive assessments covering lecture and lab topics.

• Example: Lab Practical I may include identification of epithelial tissue types.

Course Schedule Table

The following table summarizes the progression of topics and assessments throughout the semester.

Key Formulas and Concepts

• Homeostasis: The body's ability to maintain stable internal conditions.

• Action Potential: Electrical signal in neurons. (Ohm's Law, where is voltage, is current, is resistance)

• Muscle Contraction: Sliding filament theory.

Additional info: The schedule also references lab safety, review sheets, and practical exams, which are essential for hands-on learning and assessment in Anatomy & Physiology courses.