This "powerhouse" organelle produces energy for the cell.
What is the Mitochondria?
The movement of particles from high to low concentration.
What is Diffusion?
Digestion first begins in this part of the body.
What is the Mouth?
These thick-walled vessels carry blood away from the heart.
What are Arteries?
An organism, like bacteria, that consists of only one single cell.
What is Unicellular?
This structure, found in plants but not animals, provides rigid support.
What is the Cell Wall?
This term describes a membrane that only lets certain particles pass.
What is Selectively Permeable?
This "wave-like" muscle contraction pushes food through the esophagus.
What is Peristalsis?
These tiny, thin vessels are where gas and nutrient exchange occurs.
What are Capillaries?
The correct order of hierarchy from smallest to largest: Cell, Tissue, Organ, ___, Organism.
What is an Organ System?
This organelle acts as the "brain" and contains the cell's DNA.
What is the Nucleus?
A cell placed in this type of solution will shrivel as water moves out.
What is a Hypertonic solution?
This organ's main job is to absorb water and form solid waste.
What is the Large Intestine?
These tiny air sacs in the lungs are the site of gas exchange.
What are Alveoli?
This scientist was the first to observe microorganisms using a microscope.
Who is Anton van Leeuwenhoek?
Muscle cells have more of these than other cells to power movement.
What are Mitochondria?
This specific type of diffusion refers only to the movement of water.
What is Osmosis?
This organ produces bile to help break down large fat globules.
What is the Liver?
This flap of tissue prevents food from entering the trachea when swallowing.
What is the Epiglottis?
This process involves heating food to kill harmful pathogens.
What is Pasteurization?
This type of cell is defined by its lack of a nucleus.
What is a Prokaryotic cell?
A cell stays the same size when placed in this type of balanced solution.
What is an Isotonic solution?
These organs filter waste products from the blood to produce urine.
What are the Kidneys?
This dome-shaped muscle contracts and expands to help you breathe.
What is the Diaphragm?
To be "multicellular," an organism's body must be composed of these four main types of tissue.
What are Muscle, Nervous, Connective, and Epithelial tissues?