mass transport Flashcards
(15 cards)
What is mass transport?
The movement of substances within an organism, typically through the circulatory system.
True or False: Mass transport only refers to the movement of gases.
False
Fill in the blank: The primary fluid used in mass transport in humans is _____ .
blood
What is the role of the heart in mass transport?
To pump blood throughout the body.
What is the term for the network of vessels through which blood flows?
Circulatory system
Multiple choice: Which component of blood is primarily responsible for oxygen transport? A) Plasma, B) Red blood cells, C) White blood cells
B) Red blood cells
What is the function of haemoglobin?
To bind and transport oxygen in red blood cells.
True or False: Mass transport is only important for multicellular organisms.
True
What is the significance of capillaries in mass transport?
They allow for the exchange of substances between blood and tissues.
Fill in the blank: The process by which substances move from an area of high concentration to an area of low concentration is called _____.
diffusion
What type of transport is involved in the movement of water and nutrients in plants?
Mass flow
Multiple choice: Which of the following is NOT a component of blood? A) Plasma, B) Neurons, C) Platelets
B) Neurons
What is the term for the pressure exerted by the blood against the walls of blood vessels?
Blood pressure
What is the primary function of arteries in mass transport?
To carry blood away from the heart.
True or False: Veins have thicker walls than arteries.
False
