its answer is A.
please let me know how helpful it is
Answer:
I think B
Explanation:
The circulatory system is the method of transport in plants and animals. Animals must have nutrients and oxygen reach every cell in their body. Plants must have nutrients and carbon dioxide reach every cell in their "body." The circulatory system is how these things are carried around the living organism.
Answer:
Brain is composed of three main parts: cerebrum, cerebellum and brain-stem.
Stimulus interpretation and speech are controlled by cerebrum. It is the biggest part of brain and performs important functions.
While movement of muscles, walking and movement of tongue is controlled by cerebellum. It is present under cerebrum and performs functions associated with coordination.
Respiratory activities, hunger and other automatic functions of body are controlled by Brain-stem. It connects cerebrum and cerebellum to the spinal cord.
As said in Boyle's law, if volume increases, then pressure decreases. Therefore, option C is correct!
The cell membrane lets in stuff and gets rid of the bad stuff