All mammals have a double circulatory system. Fig shows part of the human double circulatory system.
Name the muscular wall that separates the left and right sides of the human heart. (MARK-1)

Which term describes a normal value for something in the body? a.homeostasis b.set point c.feedback loop d.integration center

Fill in the blank with the correct sphere label. a: ⇒ geosphere b: ⇒ biosphere c: ⇒ hydrosphere

You and a group of friends are spending your vacation hiking through the mountains. it is cold in the mountains. you will be expending a lot of energy while hiking and you will need plenty of energy to keep you warm. you should pack foods high in to provide the most energy or kilocalories per gram of food. a) carbohydrates b) lipids (fats) c) proteins d) sugars