Answer:
The answer is A.
Explanation:
The alerting system which is a part of the reticular activating system that provides the consciousness for us using the connections between the brain stem, cerebrum etc. consists of Locus Coeruleus which are nucleus located in the brain that responds to psychological stimuli such as panic, stress or discomfort. So the answer is A.
I hope this answer helps.
Answer:
False
Explanation:
The most specific feature of cardiac muscles is the presence of intercalated discs. Intercalated disc connects the ends of cardiac muscle fibers to one another. The discs have desmosomes and gap junctions. The function of desmosomes is to hold the cardiac fibers together. The gap junctions of cardiac fibers allow muscle action potentials to spread from one cardiac muscle fiber to another. These gap junctions have tubular connexons that form channels and connect the cytosol of adjacent cardiocytes to allow the flow of ions and spread of action potential from one cell to another.
Answer:d.Additional evidence will change the theory of evolution into a law.
Explanation:
Answer:
He should make identical stains on T-shirts and see whether different parts of the lemon will remove the stain
Explanation:
Answer:d. interrupting the passage of phloem sap and killing the tree.
Explanation:plants contains vascular bundles for conducting water and salt and dissolved food , throughout the plant.the vascular bundles; xylem and phloem are located close to the bark of the tree.
Girdling a tree involves cutting a deep groove all the way around a tree trunk.this is done to kill the tree.the phloem is removed along with the back of the tree.the xylem might remain intact.the phloem functions primarily to move food materials from one part of the tree to another.when it is removed,food materials produced in the leaves cannot get to the root.
After a while ,the root dies and so does the tree
