Levels of Organization
Organ systems work together to make an
Organism
Responsible for providing the body with structure/support and protecting organs
Skeletal System
Allows the body to move
Muscular System
The gas that the respiratory system brings into the body to be used in cellular respiration
oxygen
Basic working unit of the nervous system, transmits signals
Neuron
Organs work together to form an
organ system
Turns food into useable energy
Digestive System
Filters fluid and removes waste
Excretory System
The waste product of cellular respiration (gas)
carbon dioxide
Organ that controls all of the functioning of the body
Brain
organ
Protects the body and regulates body temperature
Integumentary System
Supplies the body with oxygen and removes carbon dioxide
Tiny air sacs in the lungs that allow for gas exchange
Alveoli
Colorless fluid containing white blood cells, which bathes the tissues and drains through the lymphatic system
Lymph
Cells work together to make
tissues
Carries oxygen and nutrients throughout the body
Circulatory System
receives stimuli and transports impulses, coordinates actions and reactions in the body
Nervous System
Tiny blood vessels that exchange oxygen and nutrients for waste products with other tissues
Capillaries
Nutrient which provides the body with energy
Carbohydrates
The smallest unit of life
cell
Fights infections
Immune System
regulates body functions by secreting hormones
Endocrine System
microscopic structural and functional unit of the kidney
Nephron
Nutrient that helps the body with growth and repair
Protein