Chapter 3 Flashcards
1
Q
Building blocks off cells
A
Atoms
2
Q
Building blocks of tissue
A
Cells
3
Q
Who discovered cells?
A
Robert Hooke
4
Q
5 basic concepts of cells related to the human body (Cell Theory)
A
- Cells are building blocks of all plants and animals.
- Cells are produced by division of existing cells.
- Cells are smallest units that perform physiological functions.
- Each Cell maintains homeostasis.
- Homeostasis at te tissue, organ and organism is a function of coordinated effort by cells.
5
Q
Study of cells.
A
Cytology
6
Q
Two classes of cells?
A
Sex cells
Somatic Cells
7
Q
sperm cells in males, oocyte cells in females
A
Sex Cells
8
Q
All other cells in body that are not sex cells.
A
Somatic cells
9
Q
Watery medium that surrounds cell.
A
Extracellular fluid
10
Q
Separates the cell contents (cytoplasm) from ECF.
A
Cell membrane
11
Q
What is cytoplasm made up of?
A
Cytosol (liquid/ICF)
Organelles (little organs)- Intracellular structures.
12
Q
Another term for cell membrane?
A
Plasma membrane
13
Q
Functions of the Cell Membrane?
A
- Physical isolation
- Sensitivity
- Regulates exchange with environment
- Structural support
