Question

please tell fast fast​

Answer 1

Answer:

1) a. Skull protects brain.

b. Rib cage protects heart and lungs.

c. Backbone protests nerve roots

2) a. skull bones

b. rib cage

c. rib cage

3) a thing or event that evokes a specific functional reaction in an organ or tissue.

4) It is the period between the life and death of an organism. An example of life span is the 80 years u may live .

#hope it helps