Answer:
D.
Explanation:
Animals need oxygen (O) to survive. It's purpose is to bring oxygen into your body. One of the products of cellular respiration is carbon dioxide. Your respiratory system also helps your body get rid of that carbon dioxide.
We should remember that we should consume all necessary nutrients at a correct amount and proportion. this includes the primary food substance carbohydrates, fat and protein. and protective food substance in a small amount, which includes mineral ions ( iron, calcium etc) and vitamins. Also we have to take in enough water (6-8 cups a day) and fibre to prevent deficient diseases and to maintain health.
in addition, note that the amount of food intake varies with age, sex, body status, daily activity etc. For example, teenagers and pregnant women should increase all necessary nutrients intake to ensure proper growth and development of ourselves or the baby.
The body part the medical artist should draw smallest is the arm.
<h3>What is a homunculus?</h3>
A homunculus can be defined as a graphical representation a very small (miniature) human being or humanoid creature, especially from which a fetus developed from.
In Medical field, the arm of a homunculus are generally drawn smallest in relation to the size devoted to it in the somatosensory cortex.
<h3>What is the
somatosensory cortex?</h3>
The somatosensory cortex refers to a region of the brain which is saddled with the responsibility of receiving and processing sensory information that are obtained from various body parts such as:
Read more on homunculus here: brainly.com/question/5568892
