Question 1

group of organs and tissues that carry needed materials to cells and remove their waste products

Accepted Answer

circulatory system

Answer

nervous system

Answer

reproductive system

Answer

immune system

Question 2

organs and tissues that transport essential materials to body cells and remove their waster products

Accepted Answer

cardiovascular system

Answer

immune system

Answer

CNS

Answer

resiratory system

Question 3

carry blood away from the heart

Accepted Answer

arteries

Answer

veins

Answer

capillaries

Answer

blood

Question 4

carry blood from all parts of the body back to the heart

Accepted Answer

veins

Answer

antigens

Answer

capillaries

Answer

arteries

Question 5

carry blood to and from almost all body cells and connect arteries and veins

Accepted Answer

capillaries

Answer

spinal cord

Answer

arteries

Answer

antibodies

Question 6

organ that supply your blood with oxygen

Accepted Answer

respiratory system

Answer

immune system

Answer

digestive system

Answer

reproductive system

Question 7

group of organs that work together to break down foods into substances that your cells can use

Accepted Answer

digestive system

Answer

respiratory system

Answer

immune system

Answer

urinary system

Question 8

group of organs that work together to remove waste

Accepted Answer

excretory system

Answer

immune system

Answer

digestive system

Answer

respiratory system

Question 9

glands throughout the body that regulate body functions

Accepted Answer

endocrine system

Answer

exrectory system

Answer

immune system

Answer

digestive system

Question 10

body organs and structures that make it possible to produce children

Accepted Answer

reproductive system

Answer

nervous system

Answer

digestive system

Answer

immune system

Question 11

combination of body defenses made up of all the cells, tissues, and organs that fight pathogens

Accepted Answer

immune system

Answer

antigens

Answer

immunity

Answer

antibodies

Question 12

ability to resist the pathogens that cause a particular disease

Accepted Answer

immunity

Answer

antigen

Answer

antibodies

Answer

immune system

Question 13

secondary circulatory system that helps the body fight pathogens

Accepted Answer

lymphatic system

Answer

nervous system

Answer

digestive system

Answer

PNS

Question 14

substances that send the immune system into action

Accepted Answer

antigens

Answer

neurons

Answer

antibodies

Answer

blood

Question 15

proteins that attach to antigens, keeping them from harming the body

Accepted Answer

antibodies

Answer

brain

Answer

blood cells

Answer

antigens

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