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oxygen affects food by killing its cells it is something called oxydentation
burning in oxygen ensures complete combustion
blood gets a fresh dose of oxygen from the lungs and a fresh ration of food from the liver
The release of energy from food molecules in the absence of oxygen is called anaerobic respiration. When there is oxygen present it is called aerobic respiration.
...essential for the release of energy the major food (nutrients.) -darlene de la rosa2992
The fetus gets food and oxygen through the umbilical cord.
A growing foetus needs the cord because it gives the food and oxygen from the mother into the babyThe cord feeds the baby and gives the baby oxygen.All foetus's need a cord !
In the umbilical cord you have one vein and two arteries. This vein goes to the liver of foetus. This blood vessel contains most oxygen and food in case of foetus. After birth this vessel gets obliterated to form the falciform ligament.
Obviously from the mother herself. The foetus will take the calcium, the minerals and everything that he needs to stay alive (It looks like an human on an intravenous therapy). That's why doctors will often recommend eating more food with calcium and iron to stay strong against the ''sorption'' of nutrients from the body of the woman.
The mother's blood supply enters the foetus via the umbillical cord and allows oxygen to diffuse from the mother's blood into the foetus.
Organs oxygen Food Water Energy
Carbon dioxide and other such waste gases diffuse from the foetus and across the placenta into the mother's blood. Urea (excretory product) also diffuses into the mother's blood. (The substances in bold will answer question).
The deoxygenated blood and the baby's waste products pass from the foetus to the mother. The mother can then dispose of these through her systems.
The food which is supplied in the ocean are known as sea foods
the blood from the mother runs alongside the blood from the foetus ;the mother's blood carries food and oxygen to the baby .The oxygen reachs the lungs and carbon dioxide +waste exits through the umbilical cord . Although they run beside each other they never mix.