The specific gravity of normal urine is approximately: MCQ with Answer and Explanation

Explanation:
Basophils, and similarly mast cells in tissues, release histamine and other inflammatory mediators during allergic and hypersensitivity reactions. Neutrophils are first responders to infection, lymphocytes are adaptive immune cells, monocytes become macrophages. Histamine causes vasodilation and bronchoconstriction.

Explanation:
Lipase is the fat-digesting enzyme, produced mainly by the pancreas (pancreatic lipase) and also by lingual and gastric glands. It hydrolyzes triglycerides into monoglycerides and free fatty acids. Bile salts emulsify fats, increasing surface area for lipase action. Amylase digests starch, pepsin digests proteins, sucrase hydrolyzes sucrose. Lipase requires colipase for optimal activity.

Explanation:
The lymphatic system drains excess tissue fluid (lymph) back to the venous blood. Blood circulation is the cardiovascular system; lymph nodes filter lymph; thymus is a primary lymphoid organ.