Examine the statements below and choose the correct answer:
1.
| Assertion (A): | Energy is used in the process of respiration. |
| Reasoning (R): | Respiration stores energy in the form of ATP. |
2.
| Assertion (A): | Intestinal walls has numerous villi. |
| Reasoning (R): | Villi increase the surface area of the digestion process. |
3.
| Assertion (A): | Main excretory organ in human is the kidney. |
| Reasoning (R): | Kidney removes excess water and the metabolic wastes like nitrogenous wastes from the body. |