Unit 8.1 Digestion (Tissues) Flashcards
1
Q
What is the definition of a tissue?
A
A group of cells that work together to carry out a similar function
2
Q
What are the 4 types of tissues?
A
Epithelial
Connective
Muscle
Nerve
3
Q
What does epithelial tissue do?
A
Protects organs, covers the surface of the body
4
Q
What does connective tissue do?
A
Provides support (tendons?)
5
Q
Muscle tissue?
A
Contains contractile fivers made of proteins
6
Q
Nerve tissue?
A
Conducts electrical impulses
7
Q
What is the scientific definition of an organ?
A
A group of tissues that work together
8
Q
What is a system?
A
Groups of organs working together (ie.the digestive system)
9
Q
What are nutrients needed for?
A
Fighting infections
Cell growth & reproduction/repair
10
Q
What are the 3 categories of nutrients?
A
Vitamins
Minerals
Essential nutrients
