The regulatory centers for the respiratory and circulatory systems are found in the cerebrum
Look at some up some videos about like eureka math or khan Academy
can we live without cells?
thats a simple question XD
The mouth is the beginning of the digestive tract. In fact, digestion starts here as soon as you take the first bite of a meal. Chewing breaks the food into pieces that are more easily digested, while saliva mixes with food to begin the process of breaking it down into a form your body can absorb and use. Hope I’ve helped ;)
As humans we can do whatever to gentically modify trees, but trees take over 100 years to grow back, to fix this, we could prevent unessecary tree cutting and plant new trees for the next generations , they're renewable because they can be replenished over a course of time
