health unit 5

Osteoporosis

A condition in which bones become weak and break easily

Metabolism

A lower chamber of the heart that pumps blood out of the heart

Strain

A pulled muscle

Spinal cord

A thick column of nerve tissue in the central nervous system that links the brain to most of the nerves in the peripheral nervous system

Cartilage

A tough , supportive tissue that is softer and more flexible than bone

Anabolic steroids

An artificial form of the male hormone testosterone that is used to increase muscle size and strength

Aerobic exercise

An ongoing physical activity that raises your breathing and heart rates

Hypertension

Blood pressure that is consistently 140/90 or greater

Anaerobic exercise

Intense physical activity that lasts only from a few seconds to a few minutes

The nervous system consists of two major divisions

The central nervous system and the peripheral nervous system

What are the five components of fitness ?

The five components of fitness of fitness : cardiorespiratory endurance , muscular strength , muscular endurance , flexibility , and body composition .

what are the five functions of the skeletal system ?

The five functions of the skeletal system : it provides support , protects internal organs , allows your body to move , and stores and produces materials that your body needs

Name the components of blood ?

The four components of blood are plasma , red blood cells , white blood cells , and platelets .

What are the main functions of the cardiovascular system ?

The main functions of the cardiovascular system include delivering materials to cells carrying wastes away . In addition , blood contains cells that fight disease .

Joint

The point at which two or more bones come together

Marrow

The soft tissue that fills the spaces inside bones

Name and describe the different types of blood vessels .

The three main types of blood vessels in your body are arteries , capillaries , and veins . Arteries carry blood away from the heart . Capillaries are the smallest blood vessels in your body . Veins are large , thin walled blood vessels that carry blood to the heart

Identify and describe the three types of muscle tissue that your body has

The three types of muscle tissue that your body has is smooth muscle , cardiac muscle and skeletal muscle . Smooth Muscle is involuntary muscle that causes movements within your body . Smooth muscles in the walls of your esophagus and intestines push food through your digestive system . Cardiac Muscle is involuntary muscle that is found only in the heart . Throughout your life , cardiac muscle allows your heart to beat and pump blood throughout your body . Skeletal muscles are the muscles that you control to do activities , such as walk or play a musical instrument .