A point where two or more bones meet; also called a joint. Articulations allow movement and provide stability to the skeleton.

Classification of Joints (Structure vs. Function)

Structural classification is based on what connects the bones: fibrous, cartilaginous, or synovial. Functional classification is based on movement: synarthrosis (immovable), amphiarthrosis (slightly movable), and diarthrosis (freely movable).

Types of Fibrous Joints

Sutures (between skull bones) Syndesmoses (between radius and ulna) Gomphoses (between teeth and sockets)

Types of Cartilaginous Joints

Synchondroses (epiphyseal plate in growing bone) Symphyses (pubic symphysis)

Generalized Functions of Skeletal Muscle Tissue

Produce movement Maintain posture and body position Generate heat (thermogenesis)

Characteristics of Skeletal Muscle Cells

Excitability: respond to stimulation Contractility: shorten to produce force Extensibility & Elasticity: stretch and return to original length

Five Homeostatic Functions of Bones

Support the body Protect internal organs Enable movement Store minerals (like calcium and phosphorus)

Constituents of Bone as Tissues

Bone includes osseous tissue, cartilage, dense connective tissue, epithelial tissue, and nervous tissue. The compact and spongy bone structures give strength and reduce weight, allowing efficient function

Cribriform Plate (Ethmoid Bone)

A thin, perforated structure that allows passage of olfactory nerves from the nasal cavity to the brain; clinically significant because fractures can cause loss of smell or infection spread to the brain.

Structures and Functions of Arm, Forearm, Hand, Thigh, and Leg

Arm & Forearm: enable lifting and rotation (humerus, radius, ulna) Hand: allows grip and manipulation (carpals, metacarpals, phalanges) Thigh & Leg: support weight and allow movement (femur, tibia, fibula)

Four Major Types of Body Tissue

1 Epithelial – covers and lines surfaces, provides protection and secretion. 2 Connective – supports, binds, and protects organs. 3 Muscle – allows movement through contraction. 4 Nervous – transmits electrical signals for communication.

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Bailey Lunsford

Term	Definition
Articulation	A point where two or more bones meet; also called a joint. Articulations allow movement and provide stability to the skeleton.
Classification of Joints (Structure vs. Function)	Structural classification is based on what connects the bones: fibrous, cartilaginous, or synovial. Functional classification is based on movement: synarthrosis (immovable), amphiarthrosis (slightly movable), and diarthrosis (freely movable).
Types of Fibrous Joints	Sutures (between skull bones) Syndesmoses (between radius and ulna) Gomphoses (between teeth and sockets)
Types of Cartilaginous Joints	Synchondroses (epiphyseal plate in growing bone) Symphyses (pubic symphysis)
Generalized Functions of Skeletal Muscle Tissue	Produce movement Maintain posture and body position Generate heat (thermogenesis)
Characteristics of Skeletal Muscle Cells	Excitability: respond to stimulation Contractility: shorten to produce force Extensibility & Elasticity: stretch and return to original length
Five Homeostatic Functions of Bones	Support the body Protect internal organs Enable movement Store minerals (like calcium and phosphorus)
Constituents of Bone as Tissues	Bone includes osseous tissue, cartilage, dense connective tissue, epithelial tissue, and nervous tissue. The compact and spongy bone structures give strength and reduce weight, allowing efficient function
Cribriform Plate (Ethmoid Bone)	A thin, perforated structure that allows passage of olfactory nerves from the nasal cavity to the brain; clinically significant because fractures can cause loss of smell or infection spread to the brain.
Structures and Functions of Arm, Forearm, Hand, Thigh, and Leg	Arm & Forearm: enable lifting and rotation (humerus, radius, ulna) Hand: allows grip and manipulation (carpals, metacarpals, phalanges) Thigh & Leg: support weight and allow movement (femur, tibia, fibula)
Four Major Types of Body Tissue	1 Epithelial – covers and lines surfaces, provides protection and secretion. 2 Connective – supports, binds, and protects organs. 3 Muscle – allows movement through contraction. 4 Nervous – transmits electrical signals for communication.

Created by: bailey.luns

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