Answer:
The answer is letter C
Explanation:
Innate and adaptive branches of immunity
Its that food dropped on the ground is safe to eat and will not be covered in germs as long as its picked up within 5 seconds after its dropped.
excretory system: removes waste from blood.
respiratory system: obtains oxygen so the energy in the nutrients can be extracted.
circulatory system: transports nutrients from small intestine to the othet tissues.
nervous system: regulates and controls digestive functioning.
( Am not completly sure, but i think this is the answer)
Answer:
D. student 4
Explanation:
I personally find this question slightly bewildering. It does definitely make you think. I decided your best answer choice would be D, because a dog wouldn't always be there, or the weeds.