Tissue/digestion Flashcards
(37 cards)
Organ
A group of tissue working together to perform a task (heart)
Tissues
A group of cells that have the same function and structure ex. Muscle
Muscle tissue
Assists in movement
Nerve tissue
Transfers signals to respond to the environment. Ex. Cold or hot
Connective tissue
Connects, protects and insulates organs
Epithelial tissue
Covers the surface of organs and the body.
Myoctye
A type of cell in the heart
Myo= muscle
Cyte= cell
This cell can beat on its own
Difference between an organ and a tissue?
Tissues makes up organs
A copper wire represents which type of tissue?
Nerve tissue
- Muscle tissue = rubber band
- Epithelial tissue = Plastic wrap
- Connective tissue = tape
- Nerve tissue = electric wire
These are Examples
Digestion
Process in which food is broken down.
Nutrients are absorbed and stored, waste is eliminated.
Excretion
Liquid and gas wastes are flushed from the body.
Gastric juice
Hydrochloride acid, mucus, and enzymes that are excreted by the stomach lining and aid in digestion.
Mucus
Slippery substance that lines the nose, lungs, and stomach
Metabolism
Chemical reactions that take place in the cells
Ingestion
Taking food into the body
Villi
Fold like structures lining the walls of the small intestine that absorb nutrients for the body
Digestion takes place in 4 stages:
Ingesting: take in food
Digesting: break down food
Absorbing
Eliminating
Enzyme
Important proteins for digestion
Digestion
Break down food in one long tube that starts in your mouth and ends in your anus.
Peristalsis
Series of muscle contractions that move food through the digestive system.
Epiglottis
Covets the airway tube and prevents food from entering.
Chyme
Thin liquid in the stomach
Function of Bile? How is it similar to soap?
Bile is stored in the gall bladder. Bile breaks down globs of fat into smaller droplets, dish detergent breaks up grease.