Actually, it is INNATE IMMUNITY. That is the proven right answer so be careful.
Answer:
Active transport requires cellular energy for substances to cross the cell membrane; passive transport does not.
Explanation:
Active Transport works against the concentration gradient and therefore needs energy to make it happen
Passive transport such as Diffusion and Osmosis uses the properties of natural movement of particles which moves the molecules from areas of high concentration to areas of low concentration or down the concentration gradient and happens passively without the need for energy
B, because it is the correct answer because i took that test lol
Skeletal muscle just attach to the skeleton of the body by itself.
Answer: Energy can not be lost, rather it can be converted into other forms of energy , so false.
Explanation: