Blood and Heart Disease Review

What are the 4 main components of blood?

• Red blood cells, white blood cells, plasma, platelets

• Red blood cells, white blood cells, hemoglobin, bacteria

• Plasma, platelets, lymphocytes, phagocytes

Which of the following is NOT a function of the blood?

• Regulates body temperature

• Brings waste to kidneys and liver

• Transports nutrients and hormones

• Regulates sleep cycles

Blood is composed of 55% plasma and 45% formed elements (cells).

• True

• False

Which of the following is incorrect about RED blood cells?

• They transport oxygen and carbon dioxide

• They are round, flat, flexible

• There are fewer of them than white blood cells

• They live for about 4 months

Tags

NGSS.MS-LS1-2

Which of the following is incorrect about WHITE blood cells?

• They protect the body from viruses and bacteria

• There are several kinds of WBC's

• Some can make antibodies

• A healthy adult has 35 trillion of them

Which of the following is incorrect about PLASMA?

• It transports nutrients, hormones and proteins

• It makes up less than 1% of the blood

• Cells deposit waste products here

• It is important in treating and diagnosing health problems

Which of the following is incorrect about PLATELETS?

• They are the smallest blood cell

• They help us form blood clots

• They survive only 9 days

• Having too few or too many is no big deal

White blood cells are a part of what system that protects the body from infection?

• immune system

• digestive system

• nervous system

• skeletal system

Which type of WBC kills invaders by "eating" them?

• Lymphocytes

• Phagocytes

Which types of WBC makes antibodies?

• Lymphocytes

• Phagocytes