Podcast
Questions and Answers
Which system is primarily responsible for movement and posture?
Which system is primarily responsible for movement and posture?
- Nervous System
- Skeletal System
- Circulatory System
- Muscular System (correct)
What is the main function of the excretory system?
What is the main function of the excretory system?
- Produces blood cells
- Facilitates gas exchange
- Removes waste products (correct)
- Regulates bodily functions via hormones
Which component is NOT part of the circulatory system?
Which component is NOT part of the circulatory system?
- Oxygen
- Heart
- Lungs (correct)
- Blood vessels
What type of muscles is primarily found in the heart?
What type of muscles is primarily found in the heart?
Which system relies on electrical impulses to control body functions?
Which system relies on electrical impulses to control body functions?
Flashcards
Integumentary System
Integumentary System
The outer layer of an animal that protects the body from external factors. It includes skin, nails, hair, and glands.
Skeletal System
Skeletal System
The body's framework consisting of bones, which provide support, structure, protect organs, and produce blood cells.
Muscular System
Muscular System
Responsible for movement, posture, and blood circulation. It consists of three types: skeletal, cardiac, and smooth muscles.
Nervous System
Nervous System
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Circulatory System
Circulatory System
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Study Notes
Integumentary System
- Forms the outermost layer of animals
- Protects the body from external factors, including pathogens and UV radiation
- Maintains body temperature
- Components: Skin, nails, hair, and glands
Skeletal System
- Provides support and structure for the body
- Protects internal organs
- Produces blood cells in the bone marrow
- Stores minerals like calcium and phosphorus
Muscular System
- Responsible for movement, posture, and blood circulation
- Composed of three types of muscles:
- Skeletal muscles (attached to bones)
- Cardiac muscles (heart)
- Smooth muscles (internal organs)
- Also known as the musculoskeletal system
Nervous System
- Controls and coordinates bodily functions via electrical impulses
- Composed of the:
- Central nervous system (brain and spinal cord)
- Peripheral nervous system (nerves)
- Enables quick responses to stimuli
Circulatory System
- Transports blood, oxygen, and nutrients throughout the body
- Removes waste products
- Composed of:
- Heart
- Blood vessels
- Transports hormones and other vital substances
Respiratory System
- Facilitates gas exchange (oxygen in, carbon dioxide out)
- Works automatically via the autonomic nervous system
- Composed of:
- Nose
- Pharynx
- Larynx
- Esophagus
- Lungs
- Helps regulate blood pH
Digestive System
- Breaks down food into usable energy
- Composed of:
- Mouth
- Tongue
- Teeth
- Esophagus
- Stomach
- Pancreas
- Liver
- Gallbladder
- Small intestine
- Large intestine
- Processes and absorbs nutrients
Excretory System
- Removes waste products from the body
Urinary System (Renal System)
- Filters blood and removes waste products via urine
- Composed of:
- Kidneys
- Ureters
- Bladder
- Urethra
- Balances water and electrolyte levels
Reproductive System
- Responsible for sexual reproduction
- Has distinct functions in males and females
Endocrine System
- Regulates bodily functions via hormones
- Composed of glands that produce and secrete hormones
Immune System (Lymphatic System)
- Defends the body against foreign cells and infections
- Uses white blood cells to fight off pathogens
- Includes lymph nodes, spleen, and thymus
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