Basics Flashcards
Levels of structural organisation
6
Chemical level
Cellular level
Tissue level
Organ level
Systems level
Organism level
Name the organs that constitute the
digestive system.
Mouth
Pharynx
Oesophagus
Stomach
Small intestine
Large intestine
What are the functions of the digestive
system?
Absorption of nutrients
Breakdown of food
Components of the nervous system
Brains
Spinal cord
Sense organs , smell, hear
Functions of the nervous system
Action potential
Transmit signals (electrical impulses) between the brain and the rest of the body.
Controls the ability to move, see, think
What are the openings in the diaphragm,
and what structures pass through them?
Vena cava - t8
Oephagus - t10
Aorta - t12
Name the muscle attachments of the
diaphragm.
Xiphoid process of the sternum
Lumbar vertebrae and arcuate ligament
Coastal cartilages or ribs 7-10 and direct attachments to ribs 11 and 12
What is homeostasis
The bodies ability to maintain a stable internal environment despite changes in external conditions
What regulates homeostasis
Hormone are responsible for key homeostatic processes
What is negative feedback
The action taken by the body to return something to a normal/optimum level following a deviation from that level,
It’s how the body keeps things constant