Answer:
stomata
Explanation:
Structures in plant leaves that open and close to maintain homeostasis are stomata.
Answer: The nervous system
Explanation:
The first part of the embryo to develop is the neural tube, which will become the spinal cord and brain. As the nervous system starts to develop, the tiny heart starts to pump blood, and other parts of the body—such as the digestive tract and backbone—begin to emerge.
The immune system doent take it as a threat but other systems would take it as a threath
Answer:
1. I have been running up and down the stirs in my house and doing sit ups and squats
2.Not being able to visit some family and friends
3.Stress about school work and needing help getting the work done
4.Relax and just take everything day by day
Hope this helps
