Body Organization Flashcards
1
Q
Four cell types
A
- Muscle cells
- Neurons
- Epithelial tissue
- Connective tissue
2
Q
Types of Muscle Cells
A
- Cardiac- makes up heart
- skeletal- voluntary
- Smooth- involuntary
3
Q
Purpose of neurons
A
initiate, integrate, and conduct electrical signals to other cells
4
Q
Epithelial tissue purpose
A
- protects, secrets, excretes, filtrates, diffuses, reception and absorption
- Forms covering on all internal/ external surfaces
5
Q
Connective tissue purpose
A
Connect, anchor, and support all structures of the body
6
Q
Extracellular Matric (ECM) composition
A
consists of a mixture of proteins, polysaccharides, and in some cases minerals
7
Q
Purposes of the ECM
A
1) providing a scaffold for cellular attachments
2) transmits info in the form of chemical messengers or mechanical signals to help regulate cell activity.
8
Q
Body organization definition
A
Heirarchy of of increasing size and complexity starting at cells, to tissue, to organs, to organ systems, and finally the organism
