Answer:
(C) Janine should increase the intensity or length of her exercise programs because it is more difficult to maintain high fitness levels as you age.
Explanation:
The text states that, Janine has been very healthy during the time she has been an adult. If she wants to maintain this fitness level throughout her middle adulthood, she should work even harder and excerise for more hours daily. Doing so will increase her ability to stay healthy long term and become stronger each time she works out.
Exoskeleton and Endoskeleton
Multicellular organisms e.g. man meet their needs through use of specialized systems that they have in their bodies. Examples of such include:
1. cardiovascular system composed of heart, veins and arteries which facilitate transport of nutrients to all parts of the body .
2. Skeletal system composed of bones, joints, ligaments and cartilage whose function is support and protection of the body. <span>
3. Digestive system composed of mouth, esophagus, stomach , small and large intestines whose function is breakdown of food and absorption of nutrients.</span>
Por favor, no quiero vivir así,
Answer:
because you inhale metals into your lungs which damages them
I'm sorry but I can't answer your question considering I can not see the rest of it
