T Flashcards
Molecules
Two or more atoms joined together
Organelles
Small structure in a cell with a special function
Cells
The smallest unit of life
Tissues
Groups of cells performing the same function
Systems
Group is f organs working together
Cellular respiration
The chemical reaction involving oxygen that moves the energy in glucose into the compound ATP.
Respiration system
The body system involving the lungs and associated structures
Circulatory system
The boys system that circulates oxygen in blood to all the cells of the body
Blood cells
Any of the many types of cells found in blood including red and white blood cells
Blood vessels
Veins arteries and capillaries flow around the body
Heart
A muscular organ that pumps blood through the circulatory system so that oxygen and nutrients can be transported to the body
Arteries
Hollow tubes with thick walls carrying blood
