Cellular Foundations
The Moving Cell
Fuel & Waste
Transport & Air
The Big Picture
100

This "powerhouse" organelle produces energy for the cell.

What is the Mitochondria?

100

The movement of particles from high to low concentration.

What is Diffusion?

100

Digestion first begins in this part of the body.

What is the Mouth?

100

These thick-walled vessels carry blood away from the heart.

What are Arteries?

100

An organism, like bacteria, that consists of only one single cell.

What is Unicellular?

200

This structure, found in plants but not animals, provides rigid support.

What is the Cell Wall?

200

This term describes a membrane that only lets certain particles pass.

What is Selectively Permeable?

200

This "wave-like" muscle contraction pushes food through the esophagus.

What is Peristalsis?

200

These tiny, thin vessels are where gas and nutrient exchange occurs.

What are Capillaries?

200

The correct order of hierarchy from smallest to largest: Cell, Tissue, Organ, ___, Organism.

What is an Organ System?

300

This organelle acts as the "brain" and contains the cell's DNA.

What is the Nucleus?

300

A cell placed in this type of solution will shrivel as water moves out.

What is a Hypertonic solution?

300

This organ's main job is to absorb water and form solid waste.

What is the Large Intestine?

300

These tiny air sacs in the lungs are the site of gas exchange.

What are Alveoli?

300

This scientist was the first to observe microorganisms using a microscope.

Who is Anton van Leeuwenhoek?

400

Muscle cells have more of these than other cells to power movement.

What are Mitochondria?

400

This specific type of diffusion refers only to the movement of water.

What is Osmosis?

400

This organ produces bile to help break down large fat globules.

What is the Liver?

400

This flap of tissue prevents food from entering the trachea when swallowing.

What is the Epiglottis?

400

This process involves heating food to kill harmful pathogens.

What is Pasteurization?

500

This type of cell is defined by its lack of a nucleus.

What is a Prokaryotic cell?

500

A cell stays the same size when placed in this type of balanced solution.

What is an Isotonic solution?

500

These organs filter waste products from the blood to produce urine.

What are the Kidneys?

500

This dome-shaped muscle contracts and expands to help you breathe.

What is the Diaphragm?

500

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?