Question

free medal for the best answers on both Questions.
Which body system protects the body against invasion by pathogens?

A.
nervous system

B.
muscular system

C.
excretory system

D.
immune system

And
Why don’t plants need a digestive system?

A.
They do not need nutrients to grow and develop.

B.
They use energy from the sun to make their own food.

C.
They create oxygen, which they use as food.

D.
They absorb water and food through their roots.

Answer 1

1 -immune system is the system that fights off diseases and such

Answer 2

2 -what do you think?

Answer 3

d

Answer 4

i think so too

Answer 5

thank you

Answer 6

wlcm

Answer 7

1-D immune

Answer 8

2-B they use energy from the sun by photosynthesis

Answer 9

It is immune they help us fight disease wht do u think man if u think i am rite gimme a medal

Answer 10

The last one is B.

Answer 11

yeah b