Jobs of the Body System
1. Which body system provides support and protection for the body?
A. Digestive system
B. Skeletal system
C. Respiratory system
D. Nervous system
B The Skeletal System!
Which two systems work together to move the body?
A. Digestive and respiratory
B. Skeletal and muscular
C. Nervous and digestive
D. Circulatory and skeletal
B. Skeletal and muscular
21. What is an organ?
A. A structure in the body that performs a specific function
B. A. A group of organisms
C. A group of ecosystems
D. A type of tissue found only in plants
A. A structure in the body that performs a specific function
Which is an example of a biotic factor?
A. Water
B. Sunlight
C. Soil
D. Tree
D. Tree
A student runs a race and begins breathing faster. Which statement best explains how several body systems are interacting?
A. The respiratory system brings in more oxygen, and the circulatory system transports oxygen to working muscles.
B. The digestive system sends oxygen directly to the lungs, while the skeletal system pumps blood.
C. The nervous system digests food so the muscles can move.
D. The skeletal system produces nutrients that are carried to the lungs.
A. The respiratory system brings in more oxygen, and the circulatory system transports oxygen to working muscles.
4. Which body system is responsible for carrying oxygen and nutrients throughout the body?
A. Muscular system
B. Skeletal system
C. Circulatory system
D. Respiratory system
C. Circulatory system
Which system works with the respiratory system to transport oxygen throughout the body?
A. Circulatory system
B. Skeletal system
C. Muscular system
D. Nervous system
A. Circulatory system
Which term describes a group of similar cells working together?
A. Organ
B. Tissue
C. Organism
D. Organ system
B. Tissue
32. Which is an example of an abiotic factor?
A. Bird
B. Grass
C. Water
D. Insect
C. Water
19. A student is climbing stairs. Which combination of body-system interactions is necessary for the student to continue climbing?
A. The digestive system breaks down food, while the respiratory system brings in oxygen and the circulatory system transports materials.
B. The skeletal system produces oxygen while the nervous system digests food.
C. The respiratory system moves bones while the digestive system controls muscles.
D. The muscular system pumps blood while the skeletal system breaks down food.
A. The digestive system breaks down food, while the respiratory system brings in oxygen and the circulatory system transports materials.
Which body system allows a person to move by contracting and relaxing muscles?
A. Nervous system
B. Digestive system
C. Muscular system
D. Circulatory system
C. Muscular system
A student eats a sandwich before playing soccer. Which two systems work together to help provide nutrients from the food to the body?
A. Digestive and circulatory
B. Skeletal and respiratory
C. Nervous and skeletal
D. Muscular and respiratory
A. Digestive and circulatory
23. Which term describes a group of organs working together to perform a major function?
A. Cell
B. Tissue
C. Organ system
D. Organism
C. Organ system
A pond contains fish, algae, water, sunlight, and rocks. Which factor is biotic?
A. Water
B. Sunlight
C. Fish
D. Rocks
C. Fish
Which example best shows how the nervous and muscular systems interact?
A. The bones carry nutrients to the brain.
B. The lungs send food to the stomach.
C. The stomach sends oxygen to the muscles.
D. The brain sends signals that cause muscles to contract.
D. The brain sends signals that cause muscles to contract.
A student touches a hot pan and quickly pulls their hand away. Which body system helps the student respond to the heat?
A. Nervous system
B. Digestive system
C. Skeletal system
D. Respiratory system
A. Nervous system
16. A student decides to kick a soccer ball. Which sequence best describes how body systems interact?
A. Digestive system → respiratory system → skeletal system
B. Nervous system → muscular system → skeletal system
C. Skeletal system → digestive system → nervous system
D. Respiratory system → digestive system → muscular system
B. Nervous system → muscular system → skeletal system
24. Which is the correct order of organization in the human body?
A. Cell → tissue → organ → organ system
B. Organ → cell → tissue → organ system
C. Tissue → cell → organ system → organ
D. Cell → organ → tissue → organism
A. Cell → tissue → organ → organ system
Which group contains only abiotic factors?
A. Plants, animals, fungi
B. Water, sunlight, temperature
C. Trees, soil, insects
D. Bacteria, water, air
B. Water, sunlight, temperature
Which statement best explains why the body needs several different organ systems?
A. Each system performs exactly the same job.
B. Each system works independently of the other systems.
C. Different systems perform specific jobs and work together to keep the body functioning.
D. Only one system is needed at a time.
C. Different systems perform specific Jobs and work together to keep the body functioning.
A student runs across the playground. Which body system is primarily responsible for moving the student's bones?
A. Digestive system
B. Muscular system
C. Respiratory system
D. Circulatory system
B. Muscular system
A student exercises for several minutes. The student's breathing rate and heart rate increase. Which explanation best describes why?
A. The digestive system stops working during exercise.
B. The body gets tired and the nervous system needs a rest.
C. The skeletal system begins producing oxygen.
D. The muscles need more oxygen and nutrients, so the respiratory and circulatory systems work harder to supply them.
The muscles need more oxygen and nutrients, so the respiratory and circulatory systems work harder to supply them.
25. Which term describes a living thing?
A. Abiotic factor
B. Variable
C. Tissue
D. Organism
D. Organism
Which statement correctly compares biotic and abiotic factors?
A. Biotic factors are living or once-living components, while abiotic factors are nonliving components.
B. Biotic factors are always nonliving, while abiotic factors are always living.
C. Both biotic and abiotic factors are living.
D. Both biotic and abiotic factors are nonliving.
A. Biotic factors are living or once-living components, while abiotic factors are nonliving components.
DOUBLE POINTS!
EXPLAIN THE JOB OF EACH SYSTEM:
1. Digestive system
2. Skeletal system
3. Respiratory system
4. Nervous system
5. Circulatory System
6. Muscular System
1. Digestive system - Break down food and get rid of waste
2. Skeletal system - Provide Support, Structure and Protection
3. Respiratory system - Bring in Oxygen and Remove Carbon Dioxide
4. Nervous system - The Computer, sends messages to tell the body what to do
5. Circulatory System - Transport / Carry oxygen and Nutrients to the body
6. Muscular System - Cardiac muscles make the heart beat, Smooth muscles, help with digestion and other organ movements and Skeletal muscles make the skeleton move.