Correct answer choice is :
C) Is completely normal and is to be expected.
Explanation:
Depends on the level of distress. It's not assumed to be comfortable to exercise as you are putting your body below pressure to achieve change and growth. But you are tired to the point of not being capable to work correctly, you are either struggling too strong or may want to find an MD to assess you. Also if you are inclined to any kind heart disorder let someone know where you are when exercising or better still let them be at your front at all times.
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>
