Cardiovascular System Pt.1 Blood

What is the function of the cardiovascular system?

• It controls body temperature.

• It transports nutrients, gases, and wastes around the body.

• It supports the body and gives it shape.

• It sends and receives electrical messages throughout the body.

Which of the following are considered major organs of the cardiovascular system?

• Lungs, Kidneys, Liver

• Heart, Stomach, Intestines

• Heart, Blood Vessels, Blood

• Brain, Nerves, Spinal Cord

Which of the following is NOT a function of blood?

• Transports oxygen, waste, and hormones

• Regulates body temperature, pH, and fluid volume

• Prevents infection and blood loss

• Produces white blood cells

What does blood regulate in the human body?

• Heart rate and blood pressure

• Body temperature, pH, and fluid volume

• Muscle growth and repair

• Nutrient and gas exchange in the lungs

What is one of the roles of blood related to defense against disease?

• Produces antibodies

• Prevents infection and blood loss

• Transports nerve signals

• Regulates nutrient levels

What is blood classified as?

• Organ

• Connective tissue

• Muscle tissue

• Nervous tissue

What are the suspended cells in the blood known as?

• Plasma cells

• Blood matrix

• Formed elements

• Blood vessels

Tags

NGSS.MS-LS1-3

What is the fluid matrix in the blood known as?

• Hemoglobin

• Platelets

• White blood cells

• Plasma

What happens to the plasma and formed elements of whole blood when it is separated in a centrifuge?

• The plasma and formed elements mix thoroughly.

• The plasma rises to the top and the formed elements fall to the bottom.

• The formed elements rise to the top and the plasma falls to the bottom.

• The plasma and formed elements remain evenly distributed throughout the sample.

What is the percentage of plasma in the blood?

• 55%

• 44%

• 1%

• 50%