B2.2 Tissues, Organs and Organ Systems Flashcards
Which tissue contracts to cause movement?
Muscular tissue
Which tissue covers many parts of the body?
Epithelial tissue
Which tissue secretes chemicals like enzymes and hormones?
Glandular tissue
Define an organ
A group of different tissues which work together to perform a particular function
Define an organ system
A group of organs working together to perform a particular function
Define a tissue
A group of similar cells that work together to perform a particular function
Give an example of an organ system
The digestive system which contains glands, the stomach, the liver, the small intestine and the large intestine.
Give an example of an organ
The stomach
Put the following in order: Organisms Tissues Cells Organ system Organs
Cells -> Tissues -> Organs -> Organisms -> Organ systems
What is the function of mesophyll tissue?
To carry out photosynthesis
What is the function of epidermal tissue?
To cover the plant
What is the function of xylem and phloem?
To transport substances around the plant eg. water and mineral ions
What key features of tissues or organs are designed to act as exchange surfaces?
Large surface areas
Good blood supply
Thin walls
Permeable surface
