Want to see correct answers?
Login or join for free!
  Biology Worksheets
Looking for Biology worksheets?
Check out our pre-made Biology worksheets!
Share/Like This Page
Filter By Grade

Ninth Grade (Grade 9) Circulatory and Immune Systems Questions

You can create printable tests and worksheets from these Grade 9 Circulatory and Immune Systems questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

Previous Page 4 of 9 Next
Grade 9 Circulatory and Immune Systems
Grade 9 Circulatory and Immune Systems
What is the best description of veins?
  1. They are small intestines.
  2. They are blood vessels that send blood away from the lungs to all different parts of the body.
  3. They are blood vessels that send blood back towards the heart. Most of the blood they carry does not have much oxygen left in it.
  4. They take oxygen that the body needs from the air and put it in the bloodstream. They also take carbon dioxide that is in the blood and send it out of the body.
Grade 9 Circulatory and Immune Systems
Which description describes platelets?
  1. blood vessels that carry blood to the heart
  2. clear liquid parts of the blood that carry oxygen
  3. colorless, sticky parts of blood that help clot blood
  4. blood vessels that carries blood away from the heart
Grade 9 Circulatory and Immune Systems
How does the HIV virus cripple the immune system?
  1. It destroys T cells.
  2. It destroys H cells.
  3. It increases T cells.
  4. It increases B cells.
Grade 9 Circulatory and Immune Systems
Grade 9 Circulatory and Immune Systems
Grade 9 Circulatory and Immune Systems
Grade 9 Circulatory and Immune Systems
Grade 9 Circulatory and Immune Systems
Grade 9 Circulatory and Immune Systems
Which description describes arteries?
  1. clear liquid parts of the blood that carry oxygen
  2. blood vessels that carry blood back to the heart
  3. blood vessels that carry blood away from the heart
  4. smallest blood vessels with thin walls for oxygen to pass through
Grade 9 Circulatory and Immune Systems
Most children born in the United States receive their first hepatitis B vaccine at birth. The vaccine contains a purified sample of surface antigen proteins from the actual hepatitis B virus. This sample of purified antigen proteins is designed to cause the
  1. infectious disease in a weakened form.
  2. initiation of the body's inflammatory response.
  3. production of antibiotics in the body to fight disease.
  4. formation of antibodies to protect against future infection.
Grade 9 Circulatory and Immune Systems
Grade 9 Circulatory and Immune Systems
Body cells of most multicellular animals are provided with materials from the external environment by means of
  1. the nervous system.
  2. hydraulic enzymes.
  3. sense receptors.
  4. the circulatory system.
Grade 9 Circulatory and Immune Systems
Grade 9 Circulatory and Immune Systems
Grade 9 Circulatory and Immune Systems
What is the purpose of platelets in the blood?
  1. produce hemoglobin
  2. make new blood cells
  3. regulate the blood temperature
  4. slow down blood flow through damaged blood vessels
Grade 9 Circulatory and Immune Systems
Which of the following describes arteries?
  1. They control the muscles.
  2. They give the body support.
  3. Blood vessels that send blood away from the heart to all different parts of the body.
  4. Blood vessels that send blood away toward the lungs from all different parts of the body.
Grade 9 Circulatory and Immune Systems
Grade 9 Circulatory and Immune Systems
When you get a cut, what component of blood stops the bleeding?
  1. red blood cells
  2. white blood cells
  3. plasma
  4. platelets
Previous Page 4 of 9 Next