<span>The muscle skeletal system (aka the locomotor system) is an organ system that gives humans the ability to move using the muscular and skeletal systems. It provides form, support, stability, and movement to the body.
The answer can be found on google, but here you go! Have a great day! :D</span>
Answer: Kallie should focus on the type; performing a different activity to achieve her goal (Option D)
Explanation: As Kallie is already giving a lot of time in practicing and her technique and energy output are outstanding, so her frequency, intensity and time in the FITT cycle are being completed.
She should focus on the type of activity she is performing. She should change it and see if it would make her tennis serve better.
Pregnant woman can workout as long and as often as they want is not a true statement about pregnant woman
Too much physical discomfort that a pregnant woman experience will heavily affect the health of her Fetus.
It's important not to overdo any physical activities if you're a pregnant woman, make sure that you consult it to your physician.