1. What mineral in bones makes them hard?
7A Warm-Up 1/24/11
EQ: What is the purpose of the skeletal, integumentary, and muscular system? What is the purpose of the digestive system?
Write the question and answer!
What mineral in bones makes them hard?
What is the largest bone in your body?
calcium
the femur

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7A Warm-Up 1/25/11
EQ: What is the purpose of the skeletal, integumentary, and muscular systems?
Write the answer only!
Which diagram above represents one type of human tissue? (Diagrams are not drawn to scale.)
A. nerve cell
B. muscle
C. Kidney
D. Digestive tract
7/18/2019
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3. 7A Warm-Up 1/26/11
EQ: What is the purpose of the digestive system? How does the digestive system serve the needs of cells?
Write the question and answer!
Liver cells require a great deal of energy. Which cell organelles would you expect to appear in large number as a result?
a. nuclei b. mitochondria
c. chloroplasts d. vacuoles
Which body system is responsible for taking in nutrients and getting rid of wastes?
a. cardiovascular system b. muscular system
c. digestive system d. urinary system

4. What is the job of the mitochondria in plant and animal cells?
7A Warm-Up 1/27/11
EQ: What is the purpose of the digestive system? How does the digestive system serve the needs of cells?
Write the question and answer!
What is the job of the mitochondria in plant and animal cells?
a. to break down wastes
b. to break down food for energy
c. to control what enters the cell
c. to store the cell’s genetic information
2. You are having a hamburger for lunch. What was the original source of energy in the beef of the hamburger?
a. a cow b. air
c. plants d. sunlight

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EQ: What is the purpose of the digestive system? How does the digestive system serve the needs of cells?
7A Warm-Up 1/28/11
Write each statement in the correct order!
1. food is chewed by the teeth in the mouth 2. water is absorbed by the large intestines 3. food is reduced to chyme in the stomach 4. food moves down the esophagus 5. nutrients are absorbed by the small intestines 6. the pancreas releases enzymes
7/18/2019
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