Answer the following statement(s) true (T) or false (F)
1. Capillaries are the only type of blood vessel that allows substances to move in and out of the blood.
2. When substances pass though capillaries, it is always from the place of higher concentration to the place of lower concentration.
3. A high concentration of a substance will draw more of the same substance toward the area of high concentration, into or out of a capillary.
4. Blood pressure is highest in the veins.
5. The more the heart muscle stretches as it fills with blood, the weaker the next contraction will be.
1. True
2. True
3. False
4. False
5. False
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