Blood Vessels: Arteries: These are large blood vessels that take oxygenated blood away from the heart to be distributed throughout the body. The aorta is the body's largest artery. Veins: These blood vessels take deoxygenated blood from around the body back to the heart and lungs to be oxygenated. Capillaries: These tiny blood vessels are where the exchange of oxygen and nutrients take place. The nutrients and oxygen are exchanged for wastes that are taken from the cells.
The truth is that children can start saying their first words as late as 14 or 15 months and a pediatrician or speech therapist wouldnât start to think anything unusual is going on until then.
By the time she's 7 months old, she'll respond to her own name, and by 8 to 12 months she'll understand simple directives such as No or Don't touch.. Around 24 months, she'll be able to talk to you in two-or three-word phrases.y 18 months, your baby should be able to understand and use some words. (In general he'll understand a word before he's able to say it himself.) And he'll be able to follow your directions, even if they involve two separate actions â for example, Pick up those building blocks and put them in the toy chest..