19a Flashcards
The smallest unit of organization in all organisms
Cell
Group of similar cell types that perform a common function
Tissues
Group of tissue that perform specialization function
Organ
Group of organs that work together to accomplish a related physiological functions
Organ system
Is the stuff between the cells of multi cellular organisms
ECM
Group of similar cell types that perform a common function
Tissues
Tightly packed sheets of cells
Epithelium
Capable of contracting and expanding, generates movement and force
Muscle Tissue
What are the two proteins that interact to cause contraction of muscle fibers
Actin & myosin
Usually attached to bone
Skeletal Muscle
Found in heart tissue
Cardiac Muscle
Musculature of organs, blood vessels, digestive tract
Smooth Muscle
Connective tissue is loosely organized and composed of cells embedded in lots of ….
ECM
Connects skin to underlying structures
Adipose Tissue
Carry oxygen and nutrients
Red blood cells
Immunity
White blood cells
Clotting
Platelets
2 types of fibrous connective tissue
tendons, ligaments
Transportation inter-cellular fluid and cells
Lymphatic
Protects against infection, cancer and cleans up dead cells
Immune
Protection from environment and stores fat
Integumentary
Production of germ cells
Reproductive
Organisms ability to maintain a stable internal environment
Homeostasis
Organisms which maintains body temperature warmer than surrounding environment
Endotherms