3 Blood Components Free Online FlashCards

What are blood’s liquid portion and three formed elements?

Blood consists of liquid plasma and three formed elements: red blood cells, white blood cells, and platelets.

What is plasma mostly made of?

Plasma is mostly water.

What gives blood its red color?

Red blood cells contain hemoglobin, the protein that gives blood its red color.

What is another name for white blood cells?

White blood cells are also called leukocytes.

What are platelets, and what is another name for them?

Platelets, also called thrombocytes, are small cell fragments.

What strengthens the clot after platelets form an initial plug?

Clotting proteins help strengthen the clot formed after platelets gather at an injury.

What kinds of substances does plasma carry?

Plasma carries proteins, salts, nutrients, hormones, and waste products through the body.

What are two roles of plasma proteins?

Plasma proteins help maintain fluid balance and include proteins involved in blood clotting.

What does hemoglobin transport from the lungs to tissues?

Hemoglobin carries oxygen from the lungs to body tissues.

What gas do red blood cells carry from tissues toward the lungs?

Red blood cells transport some carbon dioxide from tissues back toward the lungs to be exhaled.

What is the main role of white blood cells?

White blood cells help defend the body against infection and other threats.

How do different types of white blood cells contribute to immunity?

Different types of white blood cells perform different immune functions, including recognizing or attacking harmful organisms.