If this is a true/false question, the answer is true. oxygen and co2 exchange happens at the capillaries.
Answer:
a. heart development.
Explanation:
As the third week of fetal development starts, the process of formation of blood vessels begins. Also, the splanchnic mesoderm in the head end of the embryo forms heart on days 18 and 19. Since it develops heart, this part of the mesodermal cells is called the cardiogenic area. The underlying endoderm sends the induction signals to these mesodermal cells to form a pair of endocardial tubes that gradually develop into a single primitive heart tube.
This primitive heart begins to beat by the end of the third week of development. Therefore, any drug that affects fetal development during the first 20 days of the pregnancy might affect the development of the heart.
The temperature that is obtained is 71 degrees Celsius.
<h3>What is a cookbook?</h3>
A cookbook is a book that contains various recipes and how they can be prepared. It is commonly used by chefs and other people who are into the cookery business.
Now we are told that the student likes the meat at medium which is a temperature of 160° Fahrenheit. We have to to convert this given temperature to degree Celsius.
Now using the relation;
C = (F - 32) * 5/9
C = (160 - 32) * 5/9
C = 71 degrees Celsius.
Learn more about temperature scales:brainly.com/question/12500590
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Answer:
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion or a type of diffusion known as osmosis. diffusion is one of the principal method of movement of substances within sales, as well as the method for essential small molecules to cross the cell membrane.
Explanation:
Hope this helped Mark BRAINLIEST!!!
The lymphatic system returns fluid that was lost back into circulation