Tissues, Organs and Organ Systems Flashcards
Tissue
A group of cells with similar structure and function working together
Muscular tissue
Contract to bring about movement
Glandular tissue
Contains secretory cells that can produce and secrete (release) substances such as enzymes and hormones
Epithelial tissue
Covers the outside of your body as well as your internal organs
Epidermal tissues
Covers the surfaces of a plant and protects them
Palisade mesophyll
Contains lots of chloroplasts and can carry out photosynthesis
Spongy mesophyll
Has some chloroplasts for photosynthesis but also has big air spaces and a large surface area to make the diffusion of gases easier
Xylem and Phloem
The transport tissues in plants which carry water and dissolved mineral ions from the roots up to the leaves and transport dissolved food from the leaves around the plant
Organs
Made up of tissues working together
Organ system
Groups of organs that all work together to perform a particular function