What's in Blood!

What are the most common blood cells?

• red blood cells

• white blood cells

• platelets

• plasma

Which cells receive oxygen from red blood cells?

• all cells

• only skin cells

• only muscle cells

• only bone cells

Why do platelets clump together?

• to produce oxygen

• to reduce oxygen

• to produce blood loss

• to reduce blood loss

What system is made of the heart, blood vessels, and blood?

• skeletal system

• muscular system

• digestive system

• cardiovascular system

How much blood does an adult have?

• 5 liters

• 10 liters

• 8 liters

• 20 liters

What is the oxygen carrying pigment in blood?

• hematocrit
• hemopoesis
• hemoglobin
• hemostasis

The main function of a white blood cell is:

• carry oxygen

• clotting

• remove waste

• protection

Platelets are involved in

• immunity

• transporting nutrients

• removing waste

• clotting

Which part of human blood carries hormones and nutrients?

• plasma

• platelets

• red blood cells

• white blood cells

Which of the following is a function of blood?

• prevents fluid loss

• transports hormones

• carries oxygen to cells

• involved in regulation of body temperature

• all of the above