A student makes the analogy that the cardiovascular system is like a highway. Why is this a good analogy?

What kind of living and non living things do you think a marine biologist studies

A landform called a stream valley is the most common result of?

Matter can be dead or ___?

A. This element has 12 electrons when the atom is electrically neutral. B. This element is an alkaline-earth metals group. It has 20 protons. C. This element has 7 electrons when the atom is electrically neutral. D.

List the possible genotypes and phenotypes for their children

A unique feature of dna is that it can duplicate itself through a process called

Flower color in a particular plant species is determined by one gene. The alleles of that gene can code for either red flowers or blue flowers. When a red plant and a blue plant are crossed, some of the offspring produce purple flowers.

Which is not an effect of smoking on the cardiovascular system? it contributes to atherosclerosis. it increases the blood's tendency to clot. it increases blood cholesterol. it increases the size of arteries and veins?

Mention the importance of pancreas

What substance is insoluble in water? quartz vinegar sugar salt