WorksheetsHuman Transport Systems
Total questions: 10
Worksheet time: 5mins
Which blood cells are specialized cells that carry oxygen to respiring cells?
white blood cells
platelets
red blood cells
Which blood component is a straw-colored liquid which the other components of the blood are suspended within?
red blood cells
white blood cells
plasma
What is the waste substance produced in the breakdown of proteins by the liver?
carbon dioxide
urea
mineral ion
What is the waste product of respiration, dissolved in the plasma as hydrogen carbonate ions and transported from respiring cells to the lungs?
sulfur dioxide
carbon monoxide
carbon dioxide
What is the shape of a red blood cell?
round
biconcave disc
no fixed shape
What are the chemical messengers released into the blood from the endocrine organs (glands) and delivered to target tissues/organs of the body?
nerves
cells
hormones
What is created in respiration (an exothermic reaction)?
hormone
heat energy
urea
What is the importance of blood clotting?
Blood clotting prevents continued / significant blood loss from wounds.
Scab formation seals the wound with an insoluble patch that allows the entry of microorganisms that could cause infection.
It does not remain in place until new skin has grown underneath it, sealing the skin again.
Which blood cells are part of the body’s immune system?
red blood cells
white blood cells
Which main type of white blood cells produces antibodies?
lymphocytes
phagocytes
