Rahma took these notes on a process involving the movement of molecules, but she forgot to title them. –Causes molecules to move until they are evenly distributed
–Moves from high concentration to low concentration
–Has no need for added energy
–Can occur with or without a membrane being present

Which title best fits Rahma’s

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it