Tissues, Organs And Organ Systems Flashcards
What are specialised cells
Adapted cells that have differentiated for specific functions.
Define tissue
Arregations of similar cells
Define organ
Arregations of tissues performing specific physiological functions.
What is an organ system?
Groups of organs working together to form organisms.
Three examples of tissues
Muscular, glandular and epithelial.
Muscular tissue is for
Movement via contraction and relaxation of limbs.
Glandular tissue is for
secreting substances such as enzymes to enable chemical reactions and hormones to control certain functional features of an organism.
Epithelial tissue is for
Covering certain parts of the body(skin).
Tissue in the stomach
Muscular(churn contents and break up food), glandular(produce digestive juices) and epithelial(cover the outside and inside of stomach).
What does the digestive system do?
Enzymes breakdown food into soluble products we can absorb from the digestive system.
Name three insoluble molecules
Proteins,starch and carbohydrates.
Name three soluble molecules
Amino acids, sugars and fatty acids.
Name three enzymes responsible for the breakdown of large molecules.
Protease enzymes.
Carbohydrase enzymes.
Lipase enzymes.
What does protease convert molecules into?
Amino acids.
What does carbohydrase convert molecules into?
Sugars.