: The human body as a biological system and its chemical composition.

A typical control test for the 8th grade covers these main sections:

(Answer: Reflexes are involuntary, automatic responses to stimuli, whereas conscious actions are controlled by the cerebral cortex). Resources for Preparation

(Answer: Regulation of body functions through hormones released into the blood).

: Practice similar questions on platforms like Online Test Pad or Infourok .

: Types of cells and the four main tissue types (epithelial, connective, muscular, nervous). Regulatory Systems : The nervous and endocrine systems. Support and Movement : The skeletal and muscular systems.

: Digestion, respiration, excretion, and energy exchange. Sample Control Test Content Part 1: Multiple Choice (Select one answer) Which tissue provides the function of movement? A) Epithelial B) Connective C) Muscular D) Nervous Red blood cells (erythrocytes) are responsible for: A) Blood clotting B) Transporting oxygen via hemoglobin C) Fighting infections D) Producing antibodies The functional unit of the nervous system is the: A) Nephron B) Alveolus D) Osteocyte Part 2: Matching Match the organ system to its primary function: Digestive System — A) Gas exchange (O₂ and CO₂) Respiratory System — B) Transport of nutrients and waste Circulatory System — C) Breakdown of food and absorption Excretory System — D) Removal of metabolic waste products Part 3: Open-Ended Questions