By Mayo Clinic Staff. Hand numbness is usually caused by damage, irritation or compression of one of the nerves or a branch of one of the nerves in your arm and wrist. Diseases affecting the peripheral nerves, such as diabetes, also can cause numbness, although with diabetes similar symptoms usually occur first in your feet.
Itâs also very important to consider how we chew and break down food for proper digestion. The first step of digestion starts in your mouth. Teeth help break down foods and saliva has enzymes by which the digestive process starts. As you swallow food, muscles move it through the digestive tract.Food then is broken down and absorbed of nutrients needed by your body for health and development.eeth help break down foods and saliva has enzymes by which the digestive process starts. As you swallow food, muscles move it through the digestive tract. Food then is broken down and absorbed of nutrients needed by your body for health and development.
Relevance. Rating Newest Oldest. Best Answer: Between 36 and 42 teeth consisting of: 12 incisors (front teeth) which are used for tearing the feed off or grasping it; all twelve incisors erupt as milk teeth and are later replaced by permanent incisors; 24 back teeth (molars) of which the first 12 erupt as milk teeth.elevance. Rating Newest Oldest. Best Answer: Between 36 and 42 teeth consisting of: 12 incisors (front teeth) which are used for tearing the feed off or grasping it; all twelve incisors erupt as milk teeth and are later replaced by permanent incisors; 24 back teeth (molars) of which the first 12 erupt as milk teeth.