Mammalian Organ Systems Flashcards
(50 cards)
Cells
Building blocks of life
Tissues
Collections of the same cells, or of
multiple cells types of same origin
Organs
Contain several types of tissues
Organ systems
Consist of multiple organs
What is included in the Musculo-skeletal System?
Bones, joints, skeletal muscle
Primary functions of the Musculo-Skeletal System
Movement, locomotion
What are the secondary functions of the Musculo-Skeletal System?
- Support of body
- Protection of organs
- Generate heat
- Calcium metabolism
- Haematopoiesis
What is included in the Cardiovascular System?
The heart and blood vessels
Primary functions of the cardiovascular system
To provide nutrition & oxygen to cells
Secondary functions of the cardiovascular system
- Transport hormones (endocrine system)
- Removal CO2 & other waste products
- Transport immune cells around body (immune sys)
- Temperature regulation
What is included in the Nervous System?
Brain, spinal cord, cranial &
periferal nn., ganglia
What are the three components of the nervous system?
- Central nervous system (CNS)
- Periferal nervous system (PNS)
- Autonomic nervous system (ANS)
What are the primary functions of the nervous system?
Sensing the environment & coordinating response
What are the secondary functions of the nervous system?
- Thinking/ decision making(?)
- Helps with regulation many functions, e.g. respiration, cardiac
function, etc
What is included in the Respiratory System?
Nose, nasal cavity, larynx, trachea, bronchial tree, lungs, diaphragm, muscles & bones of thorax
What is the primary function of the respiratory system?
Oxygenation of blood
What are the secondary functions of the respiratory system?
- Removal of CO2
- Controls blood pH
- Olfaction
- Vocalisation
- Thermoregulation
What is included in the Urinary System?
Kidneys, ureters, bladder, urethra
What are the primary functions of the urinary system?
- Removal waste products &
- Regulation correct hydration levels
What are the secondary functions of the urinary system?
- Regulation Na+, K+ & Clin blood
- Regulation blood pH
- Territorial marking
What is the reproductive system composed of?
Female:
- Ovaries, uterus, cervix, vagina, vulva
Male:
- Testes, prostate, penis
- The Urogential system
What are the secondary functions of the reproductive system?
- Manufacturing sex hormones responsible for secondary sex traits & behaviour
In which sense is the reproductive system the most important?
In a biological sense
In which sense is the reproductive system the least important?
A functional or survival sense