PBS

The fluid portion of blood that carries blood cells, glucose, proteins, fats, and wastes throughout the body.

• red blood cells

• white blood cells

• plasma

• platelets

What does a polygraph measure?

• Detects eye movement

• Detects lies from physiological responses

• Detects the severity of an emotion

• Detects differences in brain activity

Match the fingerprint

• Loop

• Whorl

• Helix

• Arch

Other than ridge patterns scientists also have to use another pattern to identify and match fingerprints. What are these patterns called?

• Medulla

• Keratin

• Whorls

• Minutiae

Which letter represents amplitude? (a)  

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS4-1

Which component of blood is responsible for helping to stop bleeding?

• platelets

• red blood cells

• white blood cells

• plasma

Which of the following is not a major component of blood in humans?

• Epithelial cells

• Red blood cells

• White blood cells

• Plasma

• Platelets

According to the chart shown here, which patient has blood type AB?

• Patient 1

• Patient 2

• Patient 3

• Patient 4

According to the graph shown here, what is the independent variable of this experiment?

• average blood diameter

• blood spatter diameter

• angle of blood spatter

• height of blood dropped

The purpose of plasma in blood is to

• transports oxygen from the lungs to other parts of the body.

• fight infections.

• make blood red.

• acts as the major medium that holds, carries and transports all the other components of blood, including nutrients, antibodies, food, waste and other cells.

• clot cuts and damaged blood vessels.