Health and Human Development Quiz

Vitamin A is essential for proper vision, particularly in low light.

The main function of the cardiovascular system is to transport oxygen and nutrients to the body's cells.

Intelligence is not a component of fitness; fitness components include cardiovascular endurance, muscular strength, flexibility, and body composition.

Dry skin is a symptom of dehydration, along with thirst, dark urine, fatigue, and dizziness.

Digestion is the process by which food is broken down into smaller molecules that can be absorbed by the body.

Carbohydrates are the primary nutrients responsible for providing energy to the body, supplying 4 calories per gram.

Vitamin is not a macronutrient; macronutrients include carbohydrates, proteins, and fats.

WHO recommends at least 150 minutes of moderate-intensity physical activity per week for adults.

Hemoglobin is the protein responsible for oxygen transport in red blood cells.

The primary function of white blood cells is to fight infections and foreign invaders in the body.

Regular exercise is not a risk factor for cardiovascular diseases; instead, it helps reduce the risk.

Osteoporosis is the condition characterized by bones becoming weak and brittle due to loss of tissue.

Insulin is the hormone responsible for regulating blood sugar levels, facilitating the absorption of glucose into cells.

Blood sugar regulation is not a function of the liver; liver functions include detoxification, protein synthesis, and bile production.

The bicuspid valve, also known as the mitral valve, separates the left atrium from the left ventricle in the heart.