tissues Flashcards
(20 cards)
define tissue
a group of cells that are similar in structure and work together to carry out a particular task.
what are the 4 types of tissues
epithelial, connective, muscular, nervous
description of epithelial tissue
- covering/lining tissue
- the cells are very closely joined together
example of epithelial tissue
other layer of skin/ organ lining
description of connective tissue
- supports/holds all body parts together
- cells aren’t close together
example of connective tissue
-bone
- cartridge
- tendons
- ligaments
what are the 3 types of muscular tissue
skeletal, smooth, cardiac
example of skeletal tissue
muscles you feel in your arms and legs
description of skeletal tissue
- has stripes/ striations
- multiple nuclei
- cylindrical shape
- makes up muscles that are attached to the bone
description of smooth tissue
- has no striations
- cannot contact involuntary muscles
example of smooth tissue
- stomach walls
- walls of intestines
- walls of blood vessels
- uterus
description of nervous tissue
- made up of specialised nerve cells called neurons
- carries messages
example of cardio tissue
heart
description of cardio tissue
- makes up most of the heart
- cannot be voluntary controlled
- pumps blood
example of nervous tissue
- brain
- spinal cord
- nerves
what is an organ?
are body structures that are made up of tissue types. the tissues of an organ work together to carry out a task
define a system
a system is a group of organs that work together to carry out a particular task
example of a system
the digestive system; breaks down food to absorb into the blood
define organism
when all body systems work together to meet the needs of a functioning organism
example if an organism
a human
