A3 - Body Systems Flashcards
what carries out common metabolic processes & performs specific functions
the cell
what is the cellular currency?
ATP
what is needed to produce ATP?
oxygen and nutrients from food
what are the 4 basic types of tissues?
epithelial, muscle , connective tissue, nerves
define an organ
a group of tissues acting together to carry out specific function(s)
define a system
collection of organs carrying out related functions which work together to achieve a specific goal
what stores nutrients, makes products from them or returns them to the body and can detoxify harmful substances?
liver
what runs from the mouth to anus, involved in digestion?
gastrointestinal system
what pumps blood away from the heart ?
arteries
what pumps blood to the heart ?
veins
what is the oxygenated side of the heart?
left
what is the deoxygenated side of the heart?
right
what are the tubes which connect the nose and mouth to the alveoli?
respiratory tree
what are thin walled, covered in capillaries and found within the lungs?
alveoli
white blood cells, red blood cells and platelets are part of what system?
haematological
what binds with O2 and carries oxygen?
haemoglobin
what is tissue fluid taken up by lymphatic vessels ?
lymph
major lymphatic vessel where lymph is drained to in the route of the neck
thoracic duct
what allows us to sense the environment (internal and external) and effect an appropriate response?
nervous system
what makes up the CNS?
brain and spinal cord
What makes up the PNS?
neural structures other than the brain or the spinal cord
what system secretes hormones directly into capillary blood?
endocrine system
what does the musculoskeletal system allow us to do?
helps to breath, locomotion, find and digest food, move and run away