The sequence of electrical activity within the heart is displayed in the diagrams above and occurs as follows: As the SA node fires, each electrical impulse travels through the right and left atrium. This electrical activity causes the two upper chambers of the heart to contract. This electrical activity and can be recorded from the surface of the body as a P wave on the patient's EKG or ECG (electrocardiogram). The electrical impulse then moves to an area known as the AV (atrio-ventricular) node. This node sits just above the ventricles. Here, the electrical impulse is held up for a brief period. This delay allows the right and left atrium to continue emptying it's blood contents into the two ventricles.
However, a one year old still needs about 24 ounces of whole milk per day. Getting them to like the whole milk prior to transitioning to a cup has helped in my experience. Not all children will need this gradual transition with the bottle, but some will most certainly benefit from it.
No matter what type of milk youâre switching to, donât make the change while your baby is still a baby. When your baby is young, they need all the nutrients in breast milk or formula. Regular milk (of any kind) isnât an appropriate substitute. Ideally, you should wait until after your baby hits their 1st birthday to introduce milk. That means that really, theyâll be a toddler when they try their first sip of cow or almond milk.