The Answer to question number two is the sun
Explanation:
The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart.
The correct answer is It would be more difficult for DNA to unzip since it would require more energy to break the bonds.
That is because it would most probably be a covalent bond and such a bond is stronger than a hydrogen bond which means that more energy would be needed to break it.
All raw meat contains bacteria that can be harmful to our bodies. Different types of meat have different temperatures to which we have to cook it to kill this bacteria, so we can eat it without getting sick.
A. Cerebellum
By far the largest region of your brain is the forebrain (derived from the developmental prosencephalon), which contains the entire cerebrum and several structures directly nestled within it - the thalamus, hypothalamus, the pineal gland and the limbic system.
