Unit 1 Flashcards
What is oxygen used for?
To release energy from food substances
What is excretion and an example?
Removal of wastes that body produce. I.e urinating
What is absorption and an example?
The passage of substances through specific membranes.
I.e glucose into the blood
What is movement?
Change in an organism’s position or location. I.e a beating heart
What is circulation?
Movement of substances with the body in body fluids
-Movement of oxygen and glucose in blood.
What is responsiveness?
An organism’s ability to sense changes and react to said changes. I.e responding to the trajectory of a hit ball
What is digestion?
The process of chemically and mechanically breaking down food.
What is respiration?
The process of obtaining oxygen, using the oxygen, and removing carbon dioxide.
What is growth?
Increase in body size. I.e getting taller
What is assimilation?
The changing of absorbed substances. Food is converted into vitamins, minerals, and other chemicals.
What is reproduction?
Process of making a new individual.
What are the 5 requirements of organisms?
Water, food, oxygen, heat, and pressure.
Water
Required for many metabolic processes. Transports substances within organisms. Import to regulate body temp.
Food
Contains glucose which provided the body with energy.
Oxygen
Used to release energy from food. The energy drives metabolic processes.
-required for respiration
