Science Grade 6 - The Immune System Part 1

Which one is not a harmful organism?

• Bacteria

• Poison

• Virus

Only one part of the body makes up the Immune System.

• True

• False

The skin is the largest _______ in the human body.

• cell

• organ

• secretion

Skin Cells try to ________ organisms that get between them.

• feed on

• pull in

• push out

The nose has one immune defense.

• True

• False

Things that get pass the hairs in the nose can get caught by sticky _______.

• mucus

• spit

• tears

Sneezing is a(n) _________ Action, as it cannot be controlled.

• Involuntary

• Voluntary

• Neither

Leukocytes are also known as _________.

• Platelets

• Red Blood Cells

• White Blood Cells

Tags

NGSS.MS-LS1-3

An _______ when harmful organisms get inside the body.

• infection

• injection

• invasion

Tags

NGSS.MS-LS1-3

The word _______ means it can be caught from another person or animal.

• conclusion

• confusing

• contagious