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What harmful substance can pass through the placenta to the foetus?
Wiki User
∙ 11y ago
Ellicit drugs, alcohol and nicotine.
Wiki User
∙ 11y ago
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Name 2 ways in which harmful substances can be passed onto the foetus?
To my knowledge there is only one way. Across the placenta and into the foetus. Everything taken into mothers body will pass across the placenta, around the system of the foetus and even returning waste back across the placenta through the magic of Osmosis.
Why is the placenta like an intestine for the fetus?
because the foetus gets food through placenta
How does the human foetus get everything it needS?
Through the placenta and umbilical cord.
How are nutrients absorbed by the fetus?
The nutrients are absorbed through the placenta by the foetus. The foetus gets the oxygen and nutrition from the mother. The blood of the mother and foetus comes very close to each other in the placenta. Both are not mixed up. They are separated by very thin membrane. The surface area of the contact is very large as compared to the size of placenta.
How the smoke travel from the mouth to the developing baby?
Through the placenta via the umbilical cord to the foetus.
How does oxygen travel from the air to the foetus?
Through the mother's lungs into her bloodstream, then across the placenta and through the umbilical cord to the fetus.
What is the flattened circular organ in the uterus of pregnant women which nourishes the foetus through the umbilical cord?
Placenta
Why the mass of the placenta increases as the foetus develops.?
To hold the growing fetus .
Why the mass of the placenta increases as the foetus develops?
To hold the growing fetus .
How does the foetus get food and oxygen?
The fetus gets food and oxygen through the umbilical cord.
What substance can be passed from the mother to the foetus?
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).
How does the placenta acts as the lungs for the foetus?
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.
