8th science ch12 blood
Terms
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- What do you call diseases that are passed from person to personN?
- communicable
- What do we call any foreign chemical or protein that enters your body?
- Antigen
- A bacterium in dirt produces this toxin when you get dirt in a cut
- tetanus
- Dead or weakened antigens that are injected into your body to fight desease are called what?`
- Vaccine
- When you get a cut, what do you call the process to stop the bleeding?
- clotting
- What part of the blood carries the dissolved nutrients?
- Plasma
- This blood vessel allows movement of mutrients to the cells
- capillary
- This is immunity that will stay in your blood.
- Active immunity
- What is needed to clot blood?
-
vitamin K
fibrin
platelets - What part of the blood carries the oxygen from the lungs to the cells?
-
Red blood cells
- When you get an infecton, your body rapidly increases the number of ___________ in your blood
- white blood cells
- This is immunity that will gradually disappear and has to be replaced.
- Passive immunity
- B-cells are a type of what kind of blood cell?
- white
- What do we call the protein molecule that attaches to oxygen in the red blood cells?
- Hemoglobin
- gonorrhea is_____
- a sexually transmitted disease that is hard to treat
- When antibodies are formed to fight specific antigens, it gives our body ______.
- Immunity
- Athlete's foot is what type of communicable disease?
- fungi
- What organ in the body recycles the used up red blood cells?
-
Liver
- What blood cells does HIV attack?
- T-cells
- This part of the blood helps fight off germs.
- White blood cells
- The plasma in your blood is made mostly of _____
- water
- These are parts of the blood that help cause clotting. They are irregularly shaped.
- Platelets
- What is your body's first line of defense?
- skin
- These are made by the B-cells to destroy foreign chemicals/proteins.
- Antibodies
- Who made the first vaccine? It was used against smallpox.
- Jenner
- This is the element in human blood that makes it red
- Hemoglobin
- What do we use on our skin to kill microbes?
- antiseptic
- Where are red blood cells mainly formed?
- bone marrow
- About how many antibodies do you have in your body?
- 2 trillion