These are arteries, which prevent the backflow of blood because the walls have little muscle to pump blood into the capillaries.
Right vertical blood pumping
left vertical blood pumping
Answer: 2,3,1,4,5
Explanation: That's just my opinon. If you read the question you'd know there isn't a right or wrong answer but I'm happy to get the points. (And brainliest would be nice but I won't hope for miracles)
There are five components of physical fitness: (1) body composition, (2) flexibility, (3) muscular strength, (4) muscular endurance, and (5) cardiorespiratory endurance.
Body composition:
Body composition is a term used often by doctors and health professionals. It refers to the percentage of fat, bone, and muscle in your body.
Flexibility:
Flexibility is the ability of a joint or series of joints to move through an unrestricted, pain free range of motion
Muscular strength:
Muscular strength is the amount of force you can put out or the amount of weight you can lift.
Muscular endurance:
Muscular endurance refers to the ability of a given muscle to exert force, consistently and repetitively, over a period of time
Cardio respiratory endurance
Cardiorespiratory endurance refers to the ability of the heart and lungs to deliver oxygen to working muscles during continuous physical activity, which is an important indicator of physical health.
The answer is false. exercise is important throughout your entire life, although after 65 it would be easier on your body to do less intense exercise.
