Cell Structure & Functions, Tissues Flashcards
What is the function of the cell membrane?
To give shape and protection, control what enters/exits & communicate and respond to the environment
What are the four main structures of the cell membrane?
Phospholipid bilayer (polar head & lipid tails), proteins, cholesterol
Define a tissue
A group of cells and their intercellular material acting together to carry out a particular function
State the four main types of tissue in the body
Epithelial, connective, muscular and nervous.
Which tissue covers body surfaces and lines hollow organs?
Epithelial tissue
Connective tissue _______, ______ & ______ organs. Stores energy as fat and provides immunity.
Protects, supports and binds.
What does nervous tissue do?
Detects changes in the body and responds by generating nerve impulses
Which tissue generates physical force needed to make body structures move and generates body heat?
Muscular tissue
Connective tissue is composed of cells and _____. Which is composed of ______ & _______.
Matrix, ground substances and fibres
