Podcast
Questions and Answers
Which organ system is responsible for controlling body functions and interpreting stimuli?
Which organ system is responsible for controlling body functions and interpreting stimuli?
What is the primary function of the Heart in the Circulatory System?
What is the primary function of the Heart in the Circulatory System?
Which system is responsible for bringing oxygen into the body and removing carbon dioxide?
Which system is responsible for bringing oxygen into the body and removing carbon dioxide?
What is the primary function of the Small Intestine in the Digestive System?
What is the primary function of the Small Intestine in the Digestive System?
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Which system is responsible for producing and regulating hormones?
Which system is responsible for producing and regulating hormones?
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What is the main function of the Muscular System?
What is the main function of the Muscular System?
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Which body region contains the brain, sense organs, and mouth?
Which body region contains the brain, sense organs, and mouth?
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What is the purpose of the Urinary System?
What is the purpose of the Urinary System?
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What is the term for the front of the body?
What is the term for the front of the body?
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Which body cavity contains the heart and lungs?
Which body cavity contains the heart and lungs?
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What is the term for near the point of attachment?
What is the term for near the point of attachment?
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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 and absorbs nutrients
- Mouth: mechanical and chemical digestion
- Stomach: chemical digestion
- Small intestine: nutrient absorption
- Large intestine: water absorption, waste elimination
- Endocrine System: produces and regulates hormones
- Glands: pituitary, thyroid, adrenal, pancreas, etc.
- Integumentary System: protects the body, regulates temperature
- Skin: epithelial tissue, dermis, hypodermis
- Hair, nails, sweat glands: associated structures
- Muscular System: moves the body, maintains posture
- Skeletal muscles: voluntary movement
- Smooth muscles: involuntary movement
- Cardiac muscles: heart function
- Skeletal System: provides support, protection, and movement
- Bones: 206 in the adult human skeleton
- Joints: connect bones, allow movement
- Urinary System: filters waste, regulates electrolytes
- Kidneys: filter blood, produce urine
- Ureters, bladder, urethra: transport and store urine
- Reproductive System: produces sex cells, supports reproduction
- Male: testes, epididymis, vas deferens, penis
- Female: ovaries, fallopian tubes, uterus, vagina
Body Regions
- Head: contains the brain, sense organs, and mouth
- Neck: connects the head to the torso
- Torso: contains the chest and abdominal cavities
- Upper limb: arm, forearm, hand
- Lower limb: thigh, leg, foot
- Back: posterior region of the torso and upper limb
Body Cavities
- Cranial cavity: contains the brain
- Thoracic cavity: contains the heart, lungs
- Abdominal cavity: contains the digestive organs
- Pelvic cavity: contains the reproductive organs
Directional Terms
- Anterior: front
- Posterior: back
- Superior: above
- Inferior: below
- Medial: towards the midline
- Lateral: away from the midline
- Proximal: near the point of attachment
- Distal: far from the point of attachment
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Description
Learn about the different organ systems, body regions, and directional terms that make up the human body. Understand the functions and components of each system and how they work together to maintain homeostasis.
