Tissues & Organs 2 Flashcards
What is a platelet?
Small fragments of cytoplasm that clump together to clot blood and stop bleeds.
What is a pulmonary artery?
A vessel carrying blood from the heart to the lungs.
What is a pulmonary vein?
A vessel carrying blood from the lungs to the heart.
What is a pulmonary vein?
A vessel carrying blood from the lungs to the heart.
What is a ribcage?
A flexible set of curved bones that protect the heart and lungs in the thorax.
What is a salivary gland?
An organ which makes digestive juices.
What is a sense organ?
An organ which contains receptors that detect stimuli, e.g. the eye.
What is spongy mesophyll tissue?
Plant tissue in leaf with air sacs.
What is a stoma?
A small hole in the leaf of a plant.
What is the thorax in humans?
The top part of the body, including the lungs, chest, arms, and head.
What is tissue?
A group of similar cells with similar function.
What is tissue culture in plants?
A method of cloning plants, where plant cells are put on growth medium containing hormones and allowed to grow into new plants.
What is translocation in plants?
The movement of dissolved sugars in a plant.
What is the transpiration system?
The movement of water from plant roots, through xylem tubes around the plant.
What is a valve in the circulatory system?
A small ‘gate’ in the heart and veins that allows blood to flow only one way.
What is a vein?
A blood vessel carrying blood from the body to the heart, under lower pressure.
What is the vena cava?
A blood vessel entering the heart from the body.
What is a ventricle?
The lower chamber in the heart, which acts as a higher pressure pump.
What is carbohydrase?
A digestive enzyme that catalyses the breakdown of starch into sugars, found in the mouth and small intestine.
