Cells & Organelles
Cellular Respiration
Human Body Systems
Circulatory System
The heart
100

This is the control center of the cell.

What is the nucleus?

100

The main goal of cellular respiration.

What is to make energy (ATP)?

100

This system controls body functions using hormones.

What is the endocrine system?

100

The main function of the circulatory system.

What is to transport blood and nutrients?

100

The heart is made mostly of this type of muscle.

What is cardiac muscle?

200

These are the "powerhouses" that produce energy for the cell.

What are mitochondria?

200

The organelle where cellular respiration occurs.

What are mitochondria?

200

The organ responsible for pumping blood.

What is the heart?

200

These carry blood away from the heart.

What are arteries?

200

The heart has this many chambers.

What is four?

300

The jelly-like substance that fills the cell and holds organelles.

What is cytoplasm?

300

The gas needed for cellular respiration.

What is oxygen?

300

The main organ of the respiratory system.

What are the lungs?

300

These tiny blood vessels exchange gases and nutrients.

What are capillaries?

300

These valves prevent blood from flowing backward.

What are heart valves?

400

Plant cells have this structure, but animal cells don’t, to maintain shape.

What is the cell wall?

400

The three main stages: glycolysis, Krebs cycle, and this one.

What is the electron transport chain?

400

The system that breaks down food into nutrients.

What is the digestive system?

400

The liquid part of blood that carries nutrients.

What is plasma?

400

What are heart valves?

What is the left side?

500

These small structures make proteins inside the cell.

What are ribosomes?

500

The chemical equation for cellular respiration.

What is C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + ATP?

500

The brain and spinal cord make up this system.

What is the central nervous system?

500

The two main loops of circulation.

What are pulmonary and systemic circulation?

500

The path blood takes through the heart (name the chambers in order).

What is right atrium → right ventricle → lungs → left atrium → left ventricle → body?