All flashcards
Flashcard 1: Identify the interacting systems: Which two systems coordinate responses to a hot environment?
Answer: Nervous and integumentary systems. Nerves detect heat; skin releases sweat to cool body.
Flashcard 2: Which body system produces movement and helps move substances through the body?
Answer: Muscular system. Muscles contract to create motion and pump fluids.
Flashcard 3: Which body system controls and coordinates rapid responses using electrical signals?
Answer: Nervous system. Brain and nerves transmit impulses for quick reactions.
Flashcard 4: Which body system controls body processes using hormones carried in the blood?
Answer: Endocrine system. Glands release chemical messengers for slow, lasting effects.
Flashcard 5: Which body system protects the body from pathogens and includes white blood cells?
Answer: Immune system. Lymph nodes and antibodies defend against disease.
Flashcard 6: Which statement best shows a body system as interacting subsystems: organs working alone or together?
Answer: Organs work together as subsystems within a larger body system. Systems function through organ cooperation, not isolation.
Flashcard 7: What is a body system in terms of interacting subsystems?
Answer: A group of organs that work together as interacting subsystems. Multiple organs collaborate to perform complex functions.
Flashcard 8: What is the best definition of an organ as a subsystem in the body?
Answer: A structure made of tissues that performs a specific function. Organs are composed of different tissues working together.
Flashcard 9: What is the correct order of organization from smallest to largest in the body?
Answer: Cell → tissue → organ → organ system → organism. Shows hierarchical organization from simple to complex structures.
Flashcard 10: Which body system is primarily responsible for transporting oxygen, nutrients, and wastes?
Answer: Circulatory system. Blood vessels transport materials throughout the body.
Flashcard 11: Which body system is primarily responsible for gas exchange of oxygen and carbon dioxide?
Answer: Respiratory system. Lungs exchange gases between air and blood.
Flashcard 12: Which body system breaks down food into nutrients that can be absorbed into the blood?
Answer: Digestive system. Converts food into usable nutrients through mechanical and chemical processes.
Flashcard 13: Which body system removes metabolic wastes and helps maintain water and salt balance?
Answer: Excretory (urinary) system. Kidneys filter blood to remove waste and excess water.
Flashcard 14: Which body system provides support, protects organs, and works with muscles for movement?
Answer: Skeletal system. Bones form framework and attachment points for muscles.
Flashcard 15: Which body system includes skin and helps prevent water loss and infection?
Answer: Integumentary system. Skin acts as protective barrier and regulates temperature.
Flashcard 16: Which body system is responsible for producing sperm or eggs and enabling reproduction?
Answer: Reproductive system. Gonads produce gametes for sexual reproduction.
Flashcard 17: Identify the interacting systems: Which two systems work together to deliver oxygen to cells?
Answer: Respiratory and circulatory systems. Lungs oxygenate blood, which heart pumps to cells.
Flashcard 18: Identify the interacting systems: Which two systems work together to move the body?
Answer: Muscular and skeletal systems. Muscles pull on bones to create movement.
Flashcard 19: Identify the interacting systems: Which two systems move nutrients from the intestine to cells?
Answer: Digestive and circulatory systems. Intestines absorb nutrients; blood transports them.
Flashcard 20: Identify the interacting systems: Which two systems remove carbon dioxide from the body?
Answer: Circulatory and respiratory systems. Blood carries CO₂ to lungs for exhalation.
Flashcard 21: Which two body systems interact when kidneys filter wastes from blood?
Answer: Urinary system and circulatory system. Blood carries wastes to kidneys for filtration and removal.
Flashcard 22: What is a tissue in the hierarchy from cells to organism?
Answer: A group of similar cells working together for a function. Tissues form when cells of the same type unite for a task.
Flashcard 23: What is the correct order of organization from smallest to largest?
Answer: Cell → tissue → organ → organ system → organism. Each level builds upon the previous to form complex life.
Flashcard 24: Identify the main function of the circulatory system.
Answer: Transport oxygen, nutrients, hormones, and wastes in blood. Blood vessels deliver essential materials throughout the body.
Flashcard 25: Identify the main function of the respiratory system.
Answer: Exchange gases: take in O2 and remove CO2. Lungs facilitate gas exchange between air and blood.
Flashcard 26: Which two body systems directly interact to deliver oxygen to cells?
Answer: Respiratory system and circulatory system. Lungs add oxygen to blood; heart pumps it to cells.
Flashcard 27: Identify the main function of the digestive system.
Answer: Break down food and absorb nutrients into the bloodstream. Converts food into molecules small enough for absorption.
Flashcard 28: Which two body systems interact to move absorbed nutrients to cells?
Answer: Digestive system and circulatory system. Intestines absorb nutrients; blood vessels transport them.
Flashcard 29: Identify the main function of the excretory (urinary) system.
Answer: Remove wastes and maintain water and salt balance. Kidneys filter blood to eliminate toxins and excess water.
Flashcard 30: Identify the main function of the nervous system.
Answer: Detect stimuli and coordinate rapid responses. Uses electrical signals for immediate body control.