Physiology, questions & answers
What is the smallest unit of life in the human body?
✔️✔️ The cell
What level of organization comes just above tissues?
✔️✔️ Organs
Which body system is responsible for transporting oxygen and nutrients?
✔️✔️ The circulatory system
What is the main function of the skeletal system?
✔️✔️ Support and protection of the body
Which organ is primarily responsible for filtering blood?
✔️✔️ The kidneys
What type of tissue covers body surfaces and lines cavities?
✔️✔️ Epithelial tissue
What is homeostasis?
✔️✔️ The maintenance of a stable internal environment
Which system controls body activities using hormones?
✔️✔️ The endocrine system
What is the basic unit of structure in muscles?
✔️✔️ Muscle fibers
Which organ pumps blood throughout the body?
✔️✔️ The heart
What is the function of red blood cells?
✔️✔️ To carry oxygen
Which body cavity houses the lungs?
✔️✔️ The thoracic cavity
What type of joint allows the most movement?
✔️✔️ Ball-and-socket joint
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, What is the main function of the nervous system?
✔️✔️ To control and coordinate body activities
Which part of the cell contains genetic material?
✔️✔️ The nucleus
What is the main role of the digestive system?
✔️✔️ To break down food and absorb nutrients
Which organ is responsible for detoxifying chemicals?
✔️✔️ The liver
What type of tissue connects and supports body structures?
✔️✔️ Connective tissue
What is the function of white blood cells?
✔️✔️ To fight infection
Which system removes waste products from the body?
✔️✔️ The urinary system
What is the main component of bones that gives them strength?
✔️✔️ Calcium salts
Which organ is responsible for gas exchange?
✔️✔️ The lungs
What is the function of the skin?
✔️✔️ Protection and temperature regulation
Which type of muscle is involuntary?
✔️✔️ Smooth muscle
What is the main function of the lymphatic system?
✔️✔️ To return fluid to the bloodstream and fight infection
What is the term for the study of body structure?
✔️✔️ Anatomy
What is the term for the study of body function?
✔️✔️ Physiology
Which body system produces movement?
✔️✔️ The muscular system
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