Circulatory System practice

In humans, which of the following is produced within certain bones?

• bile

• urea

• striated muscle cells

• blood cells

Which part of the human blood is primarily responsible for transporting nutrients, hormones, and wastes?

• red blood cell

• plasma

• white blood cell

• platelet

Which structures in human blood contain enzyme molecules necessary for the clotting process?

• lymphocytes

• phagocytes

• red blood cells

• platelets

A biochemical compound that readily combines with oxygen and distributes it throughout the human body is

• hemoglobin

• water

• acetylcholine

• urea

Choose the disease that is most closely related to the given phrase: a disease of the bone marrow characterized by uncontrolled production of white blood cells.

• angina pectoris

• meningitis

• emphysema

• leukemia

Tags

NGSS.MS-LS3-1

Which type of vessel normally contains valves that prevent the backward flow of materials?

• arteriole

• capillary

• vein

• artery

The thin-walled vessels of the circulatory system where most oxygen and carbon dioxide are exchanged are

• alveoli

• capillaries

• veins

• arteries

What is the main role of the circulatory system?

• To digest

• To support

• To transport

• To protect

Which of the following sentences about arteries is true?

• They carry blood away from the heart.

• They are small, thin-walled blood vessels.

• They transport blood to the heart.

• They only carry carbon dioxide to the lungs.

What blood vessels are responsible for transporting CO2-rich blood back to the heart?

• Capillaries

• Arteries

• Veins

• Alveoli