Answer:
Mechanical digestion involves physically breaking the food into smaller pieces. Mechanical digestion begins in the mouth as the food is chewed. Chemical digestion involves breaking down the food into simpler nutrients that can be used by the cells. Chemical digestion begins in the mouth when food mixes with saliva.
Explanation:
Answer:
Ongoing, chronic stress, however, can cause or exacerbate many serious health problems. Like Mental health problems, such as depression, anxiety, and personality disorders. Cardiovascular disease, including heart disease, high blood pressure, abnormal heart rhythms, heart attacks, and stroke.
Explanation:
The average weight of a fully grown heart is around 8-10 ounces usually depending on your gender.
Explanation:
plz mark me as brainlist answer