Unit 2 Flashcards
carbohydrates
the body’s main source of energy that contains chemicals critical to the fundamentals of organic life
cardiorespiratory fitness
the ability of the heart and lungs to supply oxygen to the body during sustained physical activity
drug abuse
the use of illegal drugs, or the use of prescription or over-the-counter drugs in a way they weren’t meant to be used
exercise physiology
the study of the different types of muscles and how our bodies react when we put our muscles to use
fats
macronutrients that prevent disease, keep tissue healthy, prtect vital organs from damage, and enable the body to process vitamins.
intensity
degree of dificulty
lactic acid
an organic compound in your body that is like emergency energy when needed oxygen isnt avalible
metabolism
the conversion of food or fuel into energy
muscle
a bundle of fibrous tissue in a human or animal that contracts and as a result produces movement in different areas of the body
muscle physiology
the study of how these 3 types of muscles work and what keeps them going
nutrients
nourishing substances essential for growth
nutrition
the study of food at work in our bodies
proteins
macronutrients that build muscle mass in the body
saturated fats
fats that are often found in animal products and can increase your risk of cardiovascular disease and cause you to gain weight
unsaturated fats
fats that are often found in plants, whose functions include lowering cholesterol levels and reducing cholesterol levels and reducing your risk of heart disease