The Blood

The main purpose of Red Blood Cells is to 

• carry gases, wastes, and nutrients

• attack and destroy pathogens

• clot the blood

• digest food

What is the function of hemoglobin?

• to carry iron

• to carry wastes

• to carry oxygen

• to produce oxygen

Blood becomes bright red in color because of the

• amount of folic acid present

• amount of hemoglobin present

• amount of oxygen present

• amount of iron present

The shape of the RBC allows for a greater surface area so the cell can

• fit through capillaries easily

• exchange gasses more quickly

• hold additional hemoglobin

• reproduce quicker

Tags

NGSS.MS-LS1-2

What part of blood is responsible for fighting infections?

• Red Blood Cells

• White Blood Cells

• Platelets

• Plasma

What makes up around 55% of the blood?

• Plasma

• Red Blood Cells

• White Blood Cells

• Platelets

What is the function (job) of the white blood cells?

• To transport oxygen around the body.

• To carry dissolved sugars.

• To clot and cover wounds like cuts and grazes.

• To release antibodies to help destroy infections.

What is the function (job) of the plasma?

• To release antibodies to fight infections.

• To transport oxygen around the body.

• To carry dissolved nutrients and sugars.

• To transport oxygen around the body.

Which cell releases antibodies to the blood?

• phagocytes

• lymphocytes

• platelets

Which of the following statements is true concerning human blood?

• The blood contains four major components.

• Some human populations normally lack the ability to produce plasma.

• Proteins are not normal components of human blood.

• The platelets give the blood its color.