W1 - The Human Body Flashcards
1
Q
List the levels of human structure from simplest to most complex
A
Atoms, molecules/macromolecules/, organelles, cell, tissue, organ, organ system, organism
2
Q
What is a synthesis reaction also known as?
A
Anabolic, building products
3
Q
What is a decomposition reaction known as?
A
Catabolic, breaking down products
4
Q
What releases H+ ions?
A
An Acid
5
Q
What binds H+ ions?
A
A Base
6
Q
What neither binds or releases H+ ions?
A
Salt
7
Q
Normal pH range
A
7.35-7.45
8
Q
What feedback enhances the original stimulus
A
Positive feedback
9
Q
What % of the blood is plasma?
A
~55%
10
Q
What % of the blood is the buffy coat? and what is the buffy coat made up of?
A
~<1%, platelets and leukocytes
11
Q
What are the three main functions of the blood?
A
Distribution, regulation, protection
