Both Kyla and Tia will be in their zone. Even if they dicrease their heart rates by 20 beats per minute from 175 beats per minute. 155 beats per minute still falls under kyla's target heart rate zone and Tia's target heart rate zone.
Answer:
Smoking.
Being overweight or obese.
Lack of physical activity.
Too much salt in the diet.
Too much alcohol consumption (more than 1 to 2 drinks per day)
Stress.
Older age.
Genetics.
Cardiac output.
Peripheral vascular resistance.
Volume of circulating blood.
Viscosity of blood.
Elasticity of vessels walls.
Explanation: A lot of things acually.
B. Tendons connect muscles to bones.
I hope this helps:)
