Body systems Flashcards
List the levels of organisation in the body.
- Chemical
- Cellular
- Tissue
- Organs
- Organ systems
- Organismal
What are the components of the Integumentary system?
- Skin
- Hair
- Nails
List the functions of the Integumentary system.
- Keeps body temperature stable
- Protects deeper tissues
- Contains sweat/oil glands and cutaneous receptors (pain and pressure)
What are the components of the skeletal system?
Bones and joints
What are the functions of the skeletal system?
- Protection
- Provides attachment for muscles
- Mineral storage
- Blood cell production
What are the components of the muscular system?
Skeletal muscles
What functions does the muscular system serve?
- Locomotion
- Facial expressions
- Manipulate environment
- Maintains posture
- Produces heat
What are the components of the nervous system?
Brain, spinal cord, nerves
What are the functions of the nervous system?
- Sends electrical signals
- Response to stimulus (create movement and sensations)
What are the components of the endocrine system?
All the glands
What functions does the endocrine system have?
Secretes hormones that regulate
- Growth
- Reproduction
- Nutrient use (metabolism)
by body cells
What are the components of the lymphatic/immunity system?
Bone marrow, spleen, lymph nodes, thymus
What are the functions of the lymphatic/immunity system?
- Disposes of debris leaked from blood vessels
- Houses white blood cells
What are the components of the respiratory system?
Nasal cavity, pharynx, larynx, trachea, lungs, bronchus
What functions does the respiratory system perform?
Keeps blood supplied with oxygen, removes carbon dioxide, facilitates gaseous exchange through air sacs of the lungs
What are the components of the urinary system?
Kidney, urethra, urinary bladder, ureter
What are the functions of the urinary system?
- Regulates water, electrolytes and acid-base balance
- Eliminates nitrogenous wastes
What are the components of the digestive system?
Mouth, pharynx, oesophagus, liver, stomach, small and large intestine, rectum, anus
What functions does the digestive system serve?
- Ingestion
- Digestion
- Absorption
- Egestion
