Plant Cell
Levels of Organization
Human Body Systems
Systems working together
Application & scenarios
100

This organelle controls the cell’s activities and holds genetic material

What is the nucleus?

100

The smallest unit of life.

What is a cell?

100

This system breaks down food into nutrients.

What is the digestive system?

100

This system filters toxins from the blood.

 What is the excretory system?

100

This is the main organ that pumps blood in the circulatory system.

What is the heart?

200

This structure provides strength and rigidity to plant cells.

What is the cell wall?

200

A group of similar cells working together.

What is a tissue?

200

If the stomach stopped working, this would happen to food before reaching the intestines.

What is food would be too large for the intestines to absorb nutrients?

200

Which two systems deliver oxygen to muscles during exercise?

What are the circulatory and respiratory systems?

200

What is to increase red blood cells that carry more oxygen?

 If the respiratory system failed, which system would not get enough oxygen to function?

300

 This green organelle is found only in plant cells and makes food through

What is the chloroplast?

300

Which is larger: a tissue or an organ system?

What is an organ system?

300

The circulatory system carries this gas from the lungs to the rest of the body.

What is oxygen?

300

Which three systems allow nutrients from food to reach your cells?

 What are the digestive, circulatory, and muscular systems?

300

 If the respiratory system failed, which system would not get enough oxygen to function?

What is the circulatory system (and muscular system)?

400

This organelle is the “powerhouse” of the cell, providing energy.

What is the mitochondrion?

400

What are these systems called put in order: cell → tissue → organ → organ system → organism.

What is the correct order of biological organization?

400

The muscular system depends on the circulatory system for these two things.

What are oxygen and nutrients?

400

The circulatory and muscular systems work together mainly to help the body do this.

What is move?

400

After eating lunch, nutrients are carried by the circulatory system to cells. Which organ first absorbs these nutrients?

What is the small intestine?

500

Explain how the cell wall contributes to maintaining homeostasis.

What is maintaining strength and rigidity of the cell?

500

This mistake happens if someone places organ systems before organisms in the hierarchy.

What is reversing the order of organ systems and organisms?

500

The kidneys help maintain homeostasis by regulating this substance in the body.

What is water?

500

The excretory and circulatory systems interact in this way to maintain health.

What is filtering waste/toxins from the blood?

500

Explain how having more red blood cells helps athletes perform better.

What is more oxygen delivery to muscles, increasing endurance and strength?

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