1.5 Tissues And Organs Flashcards
Function of muscular tissue.
To contract to bring about movement.
Functions of glandular tissue
Contains secretary cells that can produce substances such as enzymes and hormones.
Function of epithelial tissue
Covers the outside of the body as well as internal organs
Epidermal tissue
Covers and protects the surface. Eg skin.
Functions of mesophyll tissue
Contains lots of chloroplasts and can carry out photosynthesis
Xylem and phloem tissues
Xylem and phloem are transport tissues. They carry water and dissolved mineral ions from the roots up to the leaves and dissolved food from the leaves around the plant.
Organs.
Organs are made up of tissues, one organ can contain several tissues. All working together.
Stomach
It contains muscular tissue to churn up food. And digestive juices of the stomach together.
Glandular tissue to produce the digestive juices to break down food.
Epithelial tissue, which covers the inside and outside of the stomach.
What is an organ.
An organ is a collection of different tissues working together to carry out important functions in the body.
Tissues
A tissue is a group of cells with a similar structure and function working together.
The pancreas
Produces insulin to control blood sugar.
Produces digestive enzymes.
Levels of organisation.
Cells Tissues Organs Organ systems Whole body