Unit Checkpoint
Demonstrate mastery of cells and body systems concepts.
Checkpoint Questions
Question 1: What is the purpose of cell division?
Answer
Cell division allows organisms to grow, repair damaged tissue, and reproduce.
Question 2: Name the four types of tissue in the human body.
Answer
Epithelial, connective, muscle, and nervous tissue.
Question 3: What is the correct order: organ, tissue, cell, organ system?
Answer
Cell -> Tissue -> Organ -> Organ System
Question 4: How do the circulatory and respiratory systems work together?
Answer
Lungs bring in oxygen, blood picks it up and delivers it to cells, then carries carbon dioxide back to lungs to exhale.
Question 5: What type of tissue allows your body to move?
Answer
Muscle tissue enables movement.
Question 6: What is homeostasis?
Answer
The body's ability to maintain stable internal conditions despite external changes.
Question 7: Which body system breaks down food into nutrients?
Answer
The digestive system breaks down food into usable nutrients.
Question 8: What happens during mitosis?
Answer
A cell divides to create two identical daughter cells with the same DNA.
Question 9: How does the skeletal system protect the body?
Answer
Bones protect vital organs: skull protects brain, ribs protect heart and lungs.
Question 10: Give an example of two body systems that must interact for you to eat and digest food.
Answer
Examples: Muscular system (chewing, swallowing) and digestive system; or digestive and circulatory (absorbing and transporting nutrients).
Self-Assessment
- 8-10 correct: Excellent! Ready for next unit.
- 6-7 correct: Good! Review missed concepts.
- Below 6: Review lessons before continuing.