Extrinsic muscles are contained within a region such as the hand or the leg, and the intrinsic muscles move the fingers but are found outside the region.
Answer:
The correct answer is : middle childhood.
Explanation:
Middle childhood is the time age between 6 to 12 that deals with various developments in child to prepare them for their adolescence period. It is the third stage of human development .
In this period child begin to learn expressing their emotion, refined their motor skill and socially active outside of the family. The motor skills are refined through various physical activity such as playing, sports, and running.
Thus, the correct answer is : middle childhood.
Merry Christmas
Or happy Hanukkah
Answer: c. the physical movement of air into and out of the lungs.
Explanation:
Pulmonary ventillation is also called as breathing. This is the process which involves the inhalation or physical entry of air inside the lungs this process is called as inspiration. And the flow out of air out of the lungs is called as exhalation. The flow of air creates a pressure difference between the atmosphere and the lungs.
Answer: Carbon-14
Explanation:
Carbon dating the procedure which is used for the substances which is used to date the substances less than 40,000.
This method is based on an unstable isotope of carbon that living animals and plants incorporate inside it.
When the organisms are alive the ratio of stable isotope inside the organism is same to the ratio that is found in the atmosphere.
As the organism dies the carbon 14 gets converted into nitrogen 14. By measuring both the ratios, the relative age can be determined.
