11 Questions
Which organ system is responsible for transporting oxygen, nutrients, and waste products?
Circulatory System
Which part of the Nervous System includes the brain and spinal cord?
Central Nervous System (CNS)
What is the primary function of the Respiratory System?
Bring oxygen into the body and remove carbon dioxide
Which gland is part of the Endocrine System?
Pituitary
What is the role of the Small Intestine in the Digestive System?
Nutrient absorption
Which system is responsible for defending against pathogens and diseases?
Immune System
What is the main function of the lymphatic system?
To filter and transport immune cells
Which cavity contains the heart, lungs, and major blood vessels?
Thoracic Cavity
What is the primary function of the skeletal system?
To provide support, protection, and movement
Which body region contains the digestive organs?
Abdomen
What is the primary function of the smooth muscles?
Involuntary movement
Study Notes
Organ Systems
-
Nervous System: controls body functions, interprets and responds to stimuli
- Central Nervous System (CNS): brain, spinal cord
- Peripheral Nervous System (PNS): nerves, ganglia
-
Circulatory System: transports oxygen, nutrients, and waste products
- Heart: pumps blood
- Blood vessels: arteries, veins, capillaries
-
Respiratory System: brings oxygen into the body, removes carbon dioxide
- Lungs: exchange oxygen and carbon dioxide
- Trachea, bronchi, diaphragm: facilitate breathing
-
Digestive System: breaks down food into nutrients
- Mouth: mechanical and chemical digestion
- Esophagus: food transport
- Stomach: chemical digestion
- Small intestine: nutrient absorption
- Large intestine: water absorption, waste elimination
-
Endocrine System: produces hormones that regulate body functions
- Glands: pituitary, thyroid, adrenal, pancreas, etc.
-
Immune System: defends against pathogens and diseases
- White blood cells: recognize and attack foreign substances
- Lymphatic system: filters and transports immune cells
-
Muscular System: moves body, maintains posture, and regulates body temperature
- Skeletal muscles: voluntary movement
- Smooth muscles: involuntary movement
- Cardiac muscles: heart function
-
Skeletal System: provides support, protection, and movement
- Bones: 206 bones in the adult human skeleton
- Joints: connect bones, allow for movement
-
Integumentary System: protects body, regulates body temperature
- Skin: outer layer, protects against external factors
- Hair, nails, sweat glands: accessories
Body Cavities
- Cranial Cavity: contains the brain
- Thoracic Cavity: contains the heart, lungs, and major blood vessels
- Abdominal Cavity: contains the digestive organs
- Pelvic Cavity: contains the reproductive organs
Body Regions
- Head: contains the brain, sensory organs, and facial features
- Neck: connects the head to the body
- Thorax: contains the chest and rib cage
- Abdomen: contains the digestive organs
- Pelvis: contains the reproductive organs and lower back
- Upper Limbs: arms and hands
- Lower Limbs: legs and feet
Organ Systems
- Nervous System: controls body functions, interprets and responds to stimuli, comprising Central Nervous System (brain, spinal cord) and Peripheral Nervous System (nerves, ganglia)
- Circulatory System: transports oxygen, nutrients, and waste products via the heart (pumps blood) and blood vessels (arteries, veins, capillaries)
- Respiratory System: brings oxygen into the body and removes carbon dioxide through the lungs (exchange oxygen and carbon dioxide), trachea, bronchi, and diaphragm (facilitate breathing)
- Digestive System: breaks down food into nutrients through mechanical and chemical digestion in the mouth, food transport in the esophagus, chemical digestion in the stomach, nutrient absorption in the small intestine, and water absorption and waste elimination in the large intestine
- Endocrine System: produces hormones that regulate body functions through glands such as the pituitary, thyroid, adrenal, pancreas, and others
- Immune System: defends against pathogens and diseases through white blood cells (recognize and attack foreign substances) and the lymphatic system (filters and transports immune cells)
- Muscular System: moves body, maintains posture, and regulates body temperature through skeletal muscles (voluntary movement), smooth muscles (involuntary movement), and cardiac muscles (heart function)
- Skeletal System: provides support, protection, and movement through 206 bones in the adult human skeleton, and joints that connect bones and allow for movement
- Integumentary System: protects body, regulates body temperature, and consists of skin (outer layer, protects against external factors), hair, nails, and sweat glands (accessories)
Body Cavities
- Cranial Cavity: contains the brain
- Thoracic Cavity: contains the heart, lungs, and major blood vessels
- Abdominal Cavity: contains the digestive organs
- Pelvic Cavity: contains the reproductive organs
Body Regions
- Head: contains the brain, sensory organs, and facial features
- Neck: connects the head to the body
- Thorax: contains the chest and rib cage
- Abdomen: contains the digestive organs
- Pelvis: contains the reproductive organs and lower back
- Upper Limbs: arms and hands
- Lower Limbs: legs and feet
Learn about the different organ systems in the human body, including the nervous, circulatory, and respiratory systems.
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