The correct terms to fill in the blanks would be contracts and dilates. In stressful situations, the sympathetic nervous system contracts the arteries of the circulatory system resulting to the dilation of the pupils of the eyes. Also, during these situations, the blood sugar levels are raised since the hormones for stress kick in to combat the stress which in turn raises the blood sugar.
Answer:
DNA Synthesis the number of chromosomes is altered so that there are either too many or too few chromosomes in the cells.
Explanation:
Answer:
structures that preform many jobs in cells :)
<span>The answer is false, as "elements", are singular atomic items, according to the "Table of Elements, each of which have their own unique atomic structure. They may be combined to form other substances or compounds. Elements would be the building block of other compounds.</span>
<span>The plasma membrane is phospholipid bilayer. The layers are two and are continuous flat sheets. They have proteins and cholesterol embedded in them, for facilitating the transport of compounds and maintanng fluidity. The lipid bilayer is both hydrophobic and hydrophillic. </span>