After a baby is born and the umbilical cord is cut, some blood remains in the blood vessels of the placenta and the portion of the umbilical cord that remains attached to it. After birth, the baby no longer needs this extra blood. This blood is called placental blood or umbilical cord blood: 'cord blood' for short.
The easiest way to tell indica vs sativa is to look at the leaves. A true sativa is a tall, scraggly looking plant with wiry stocks and thin leaves. In contrast, indica plants are short and bushy. Indica leaves are usually broad and full. Sativas are native to the warm climates of Mexico, Central America, and Southeast Asia.
Sativa. Sativa strains are characterised by their tall, rangy plant structure and their long-finger like fan leaves. Sativa strains have been known to reach the soaring heights of 25ft (7.5m) when grown outdoors however they generally grow to around 8ft (2.5m) as a norm.ativa strains take slightly longer to mature than indica strains and produce higher levels of THC and lower levels of CBD. This provides growers with a different option in terms of taste and high with sativa weed providing an uplifting, energetic, often cerebral high.