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uranmaximum [27]
4 years ago
15

The umbilical cord: Select one: A. separates from the placenta shortly after birth. B. carries oxygen to the baby via the umbili

cal vein. C. contains two veins and one large umbilical artery. D. carries blood away from the baby via the artery.
Biology
1 answer:
Sergeeva-Olga [200]4 years ago
7 0

Answer: Option B

Explanation:

The umbilical cord is the flexible structure connecting a foetus with the placenta; which transports nourishment (oxygen, glucose, drugs) to the foetus and removes waste (blood rich in carbon dioxide and depleted in nutrients).

Also the umbilical vein is a vein present in the cord that carries oxygenated blood from the placenta to the growing fetus .

Note: Options A, C and D are inaccurate

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Answer:

i would say A. Both are needed as a reactant of cellular respiration.

Explanation:

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3 years ago
A 20 year-old patient presented to the hospital with a history of bloody stools for three weeks' duration. the patient was prepp
kirill [66]
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7 0
3 years ago
In people who are regularly physically active, extra fat consumed in the diet is stored first in In people who are regularly phy
Anton [14]

Answer:

In muscle tissue

Explanation:

People who exercise daily, their metabolism rate is very high and the consume sugar, proteins and fat as a substrate for providing ATP molecules. The ATP molecules are then utilized by the body to perform physical work.

The physically active people when they require fat in their diets, the fats first will be stored in the muscle tissue as the cells there will use fat as a substrate for providing a large amount of energy that is 1 g of fat will provide 9 kcal.

Thus, muscle tissue is the correct answer.

3 0
4 years ago
Most neurons send information to:
Debora [2.8K]
To the other neuron,
4 0
3 years ago
How is a secondary immune response different from a primary immune response?
borishaifa [10]

Answer:

The secondary immune response is the immune response when the same antigen , memory cells that was encountered before is remembered and the immune system make antibodies to counter it.

Explanation:

There is a difference between the primary immune response and secondary immune response.

In the primary immune response occur when the immune system encountered an antigen for the first time which lead to the generation of memory cells and and the B cells with the T cells produce antibodies.

While the secondary immune response occur when the same antigen that was encountered the first time is encountered the second time and it lead to the stimulation of memory cells to produce more and high quantities of antibodies to fight foreign substances.

6 0
4 years ago
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