Introduction to the human body Flashcards
Week 1
Define Homeostasis
The process by which living things maintain a state of balance and stability with in their bodies and organ systems while adjusting to external factors
Define the word ‘Metabolism’
The sum of all the catabolic and anabolic chemical processes that happen in the body
Define the word ‘Catabolic’
break down of large molecules into small ones e.g. to release energy / nutrients from food
Define the word ‘Anabolic’
Building up and storing of complex molecules from small ones
What is the scientific term for fluid within cells
Intracellular fluid
What is the scientific term for fluid outside cells
Extracellular fluid
What is the scientific term for fluid found between cells and tissues
Intracellular fluid
Describe a negative feedback system
Reverses a change in one of the body’s controlled conditions
Describe a positive feedback system
Strengthens or reinforces a change in one of the body’s controlled conditions
Describe the anatomical position
From the anterior view, subject stands erect facing the observer, eyes facing forward, feet flat directed forward, arms are at the sides, the palms turned forward
What word describes the study of the functions of body structures
Physiology
What word describes the study of body structures
Anatomy
what are the two organ systems that regulate and maintain homeostasis?
The nervous and endocrine systems
