Last minute revision-Introduction to Human Anatomy and Physiology Final Exam- questions & answers

What is the primary level of organization in the human body? ️☑️ The cell is the basic structural and functional unit of life. What is the function of the plasma membrane? ️☑️ It regulates the movement of substances in and out of the cell. What term describes the maintenance of a stable internal environment? ️☑️ Homeostasis. What type of tissue covers body surfaces and lines cavities? ️☑️ Epithelial tissue. What is the main function of connective tissue? ️☑️ To support, bind, and protect body structures. What organelle is responsible for energy production in the cell? ️☑️ Mitochondria. What is the function of the nucleus? ️☑️ It controls cell activities and contains genetic material. What system is responsible for transporting oxygen and nutrients? ️☑️ The circulatory system. What type of muscle is involuntary and found in internal organs? ️☑️ Smooth muscle. What is the largest organ in the human body? ️☑️ The skin. What body system regulates hormones? ️☑️ The endocrine system. What is the function of red blood cells? ️☑️ To transport oxygen. 2 What is the basic unit of structure in bones? ️☑️ The osteon. What is the function of the respiratory system? ️☑️ Gas exchange (oxygen in, carbon dioxide out). What type of joint allows movement in one plane? ️☑️ Hinge joint. What is the role of white blood cells? ️☑️ To fight infections. What is the main function of the digestive system? ️☑️ To break down food and absorb nutrients. What organ filters blood and produces urine? ️☑️ The kidneys. What is the function of neurons? ️☑️ To transmit nerve impulses. What is the structure that connects muscles to bones? ️☑️ Tendons. What is the role of ligaments? ️☑️ To connect bones to other bones. What is the function of the skeletal system? ️☑️ Support, protection, and movement. What is the term for programmed cell death? ️☑️ Apoptosis. What type of tissue transmits electrical signals? ️☑️ Nervous tissue. What is the function of the lymphatic system? ️☑️ To maintain fluid balance and defend against pathogens. What is the smallest unit of life? ️☑️ The cell. What is the function of enzymes? ️☑️ To speed up chemical reactions. 3 What is the term for the study of body structure? ️☑️ Anatomy. What is the term for the study of body function? ️☑️ Physiology. What organ pumps blood throughout the body? ️☑️ The heart. What is the main function of the nervous system? ️☑️ To control and coordinate body activities. What is the protective fluid around the brain and spinal cord? ️☑️ Cerebrospinal fluid. What is the function of cartilage? ️☑️ To provide flexible support and reduce friction in joints. What is the main component of blood plasma? ️☑️ Water. What is the function of platelets? ️☑️ Blood clotting. What is the term for a group of similar cells performing a function? ️☑️ Tissue. What is the term for a group of tissues working together? ️☑️ Organ. What is the function of the urinary system? ️☑️ To remove waste and regulate fluid balance. What is the main function of the integumentary system? ️☑️ Protection and temperature regulation. What type of muscle is found in the heart? ️☑️ Cardiac muscle. What is the role of hemoglobin? ️☑️ To bind and carry oxygen. What is the function of the alveoli? ️☑️ Gas exchange in the lungs.