UPCAT Biology — Body SystemsConcept Map
Concept maps turn Body Systems from a list of facts into a connected picture. For UPCAT Biology, this visual makes it easier to see how Body Systems relates to other chapters University of the Philippines tests in the same paper.
Exam context
The University of the Philippines College Admission Test is conducted by University of the Philippines and is scheduled for Mid-2026 (announced by UP Admissions). The Biology subtest is marked as "Core" in the official pattern, and Body Systems appears in position 5th of 7 in the UPCAT Biology review rotation. Passing mark: UPG ≤ 2.2 typical. Recent UPCAT 2026 papers have drawn roughly 20 questions from this subject.
Body Systems - Concept map
Central Concept
Body Systems work together to maintain homeostasis and support life processes through coordinated interactions
Related Concepts
Concept
Circulatory System
Sub Concepts
- Blood transport
- Nutrient delivery
- Waste removal
- Hormone distribution
- Gas exchange support
Relationship To Central
Primary transport system that delivers materials to all other body systems
Concept
Respiratory System
Sub Concepts
- Gas exchange
- Oxygen delivery
- Carbon dioxide removal
- Air filtration
- pH regulation
Relationship To Central
Provides oxygen for cellular processes and removes carbon dioxide waste
Concept
Digestive System
Sub Concepts
- Food breakdown
- Nutrient absorption
- Enzyme production
- Waste elimination
- Energy conversion
Relationship To Central
Breaks down food into nutrients that fuel all body systems
Concept
Nervous System
Sub Concepts
- Signal transmission
- Reflex control
- Sensory processing
- Motor control
- System coordination
Relationship To Central
Controls and coordinates all body system activities through electrical signals
Concept
Endocrine System
Sub Concepts
- Hormone production
- Growth regulation
- Metabolism control
- Blood glucose control
- Reproductive control
Relationship To Central
Regulates body system functions through chemical messengers (hormones)
Concept
Muscular System
Sub Concepts
- Body movement
- Heart pumping
- Breathing assistance
- Digestive movement
- Blood circulation
Relationship To Central
Enables movement and supports other systems through muscle contractions
Concept
Skeletal System
Sub Concepts
- Body framework
- Organ protection
- Blood cell production
- Mineral storage
- Movement support
Relationship To Central
Provides structural support and protection for all body systems
Concept
Urinary System
Sub Concepts
- Waste filtration
- Urine production
- Water balance
- Electrolyte regulation
- Toxin removal
Relationship To Central
Filters waste products and maintains fluid balance for optimal system function
Concept
Lymphatic System
Sub Concepts
- Immune defense
- Pathogen protection
- Fluid drainage
- Fat absorption
- Cellular waste removal
Relationship To Central
Defends the body and maintains fluid balance to protect all systems
Concept
Reproductive System
Sub Concepts
- Hormone production
- Gamete formation
- Secondary sex characteristics
- Species continuation
- Sexual development
Relationship To Central
Ensures species continuation through hormone regulation and reproductive processes
Concept
Integumentary System
Sub Concepts
- External protection
- Temperature regulation
- Sensory reception
- Vitamin D synthesis
- Barrier function
Relationship To Central
Protects all internal body systems from external threats and regulates temperature
Concept Connections
To
Respiratory System
From
Circulatory System
Strength
strong
Relationship
Transports oxygen and carbon dioxide between lungs and body tissues
To
Muscular System
From
Nervous System
Strength
strong
Relationship
Controls muscle contractions through nerve impulses
To
Circulatory System
From
Endocrine System
Strength
strong
Relationship
Uses blood to transport hormones throughout the body
To
Circulatory System
From
Digestive System
Strength
strong
Relationship
Nutrients absorbed are transported via blood to all body cells
To
Muscular System
From
Skeletal System
Strength
strong
Relationship
Provides attachment points and leverage for muscle movement
To
Circulatory System
From
Urinary System
Strength
strong
Relationship
Filters waste products from blood and maintains blood composition
To
Circulatory System
From
Lymphatic System
Strength
moderate
Relationship
Returns filtered fluid to bloodstream and supports immune function
To
Nervous System
From
Integumentary System
Strength
moderate
Relationship
Contains sensory receptors that send information to the brain
To
Endocrine System
From
Reproductive System
Strength
strong
Relationship
Produces sex hormones that regulate reproductive functions
To
Muscular System
From
Respiratory System
Strength
moderate
Relationship
Diaphragm and intercostal muscles power breathing movements
To
Endocrine System
From
Nervous System
Strength
strong
Relationship
Hypothalamus links nervous control with hormone production
To
Nervous System
From
Digestive System
Strength
moderate
Relationship
Enteric nervous system controls digestive processes
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