Questions and Answers
The ______ system protects the deeper tissues from injury.
integumentary
The ______ system supports the body and serves as a framework for the attachment of skeletal tissue.
skeletal
The function of movement is performed by the ______ system.
muscular
The ______ system includes the brain, spinal cord, and nerves.
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The ______ system is carried by the blood and secretes hormones.
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The ______ system pumps blood through blood vessels.
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The ______ system works to cleanse the blood and house cells involved in immunity.
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The ______ system consists of nasal passages, pharynx, larynx, trachea, and lungs.
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The digestive tract includes the mouth, esophagus, stomach, small and large intestine, rectum, and ______.
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The main function of the urinary system is to eliminate nitrogenous waste products such as urea and ______.
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The male reproductive system includes the testes, scrotum, penis, and accessory glands like the prostate and ______.
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The female reproductive system produces eggs, or ______, in the ovaries.
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The excretory system includes the kidney, ureters, bladder, and ______.
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Study Notes
Integumentary System
- External covering consists of skin and hair.
- Protects deeper tissues from injuries.
- Contains minor excretory functions, eliminating salts and urea through perspiration.
- Regulates body temperature to maintain homeostasis.
Skeletal System
- Comprises bones, cartilage, ligaments, and joints, making up 20% of body weight.
- Provides structural support and framework for other tissues.
- Divided into axial skeleton (skull, vertebral column, rib cage) and appendicular skeleton (limbs and girdles).
Muscular System
- Responsible for body movement through muscle contractions.
- Muscles pull on bones to facilitate locomotion and various movements.
Nervous System
- Includes the brain, spinal cord, nerves, and sensory receptors.
- Facilitates irritability (response to stimuli) and conductivity (transmission of impulses).
- Central nervous system (CNS) processes information; peripheral nervous system (PNS) connects limbs and organs to the CNS.
Endocrine System
- Consists of glands that secrete hormones into the bloodstream.
- Hormones regulate bodily activities and maintain physiological balance.
- Major glands include pituitary, thyroid, parathyroid, adrenal, thymus, pancreas, pineal, and reproductive glands (ovaries and testes).
Cardiovascular System
- Composed of the heart, blood vessels, and blood.
- Pumps blood to transport oxygen, nutrients, hormones, and waste products.
- Blood consists of red blood cells (RBCs), white blood cells (WBCs), plasma, and platelets.
Lymphatic System
- Complements the cardiovascular system by cleansing blood and housing immune cells.
- Composed of lymphatic vessels, lymph nodes, and other lymphoid organs.
- Plays a critical role in immunity by producing antibodies to resist infections.
Respiratory System
- Encompasses nasal passages, pharynx, larynx, trachea, and lungs.
- Facilitates gas exchange (oxygen and carbon dioxide) between the body and environment.
Digestive System
- Comprises the digestive tract (mouth, esophagus, stomach, intestines, rectum, anus) and digestive glands (salivary glands, liver, pancreas).
- Breaks down food to extract nutrients, which are absorbed into the bloodstream for distribution to cells.
Urinary System
- Functions as the excretory system, including kidneys, ureters, bladder, and urethra.
- Eliminates nitrogenous waste, such as urea and uric acid, resulting from protein and nucleic acid metabolism.
Reproductive System
- Essential for species perpetuation and reproduction.
- Male reproductive components include testes, scrotum, penis, and accessory glands.
- Female reproductive organs consist of ovaries (which produce eggs), uterine tubes, uterus, and vagina for reproduction.
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Description
Explore the various systems of the human body, including the integumentary and skeletal systems. This quiz covers key components and functions of each system that are vital for understanding human biology. Test your knowledge on how these systems protect, support, and regulate the body.
