Explanation

This (18.5 to 25) range represents a normal Body Mass Index (BMI) for healthy adults.

It indicates a balanced weight with lower risk of health problems.

Explanation

Proteins that are anisotropic affect polarized light, producing dark bands under a microscope.

This property helps in studying protein structure and alignment in tissues.

Explanation

Heat cramps result from loss of electrolytes like potassium during sweating.

Replenishing electrolytes through sports drinks or potassium-rich foods helps prevent cramps.

Explanation

Mc Nair and Knudson conducted studies on the effects of warm-up and cool-down on performance and injury prevention.

Their research emphasizes proper preparation and recovery in physical activity.

Explanation

In conjunctive tasks, the group’s performance depends on the weakest member’s ability.

Cooperation is essential, and individual limitations affect overall outcome.

Explanation

Basic research aims to expand knowledge and refine theories.

It is focused on understanding fundamental principles rather than immediate practical applications.

Explanation

Measurement involves assigning numbers or values to a trait to quantify it.

It provides objective data for evaluation and comparison.

Explanation

Glucose is obtained from dietary carbohydrates.

It is also released by the liver to maintain blood sugar levels.

It is the primary energy source for the body, especially for the brain and muscles.

Explanation

During prolonged steady-state exercise, VO₂ drifts upward as body temperature rises.

This increases metabolic rate and oxygen consumption to maintain homeostasis.

Explanation

In the FITT principle, time refers to how long each exercise session lasts.

Gradually increasing session duration improves endurance and overall fitness safely.