Answer:
At first, a fetus cannot distinguish between different voices.
A fetus begins responding to sound at between 22 and 24 weeks but can only hear low frequencies, such as a dog barking or a lawn mower.
As the auditory system and the brain continue to develop, this range increases. By late pregnancy, the fetus can hear voices and distinguish between
so at 22 weeks they're in the middle of the second trimester and can hear sounds but in the 3rd trimester can distinguish between voices
<h2>Attachment enclosed has the Manual Daily Calorie chart sample for the month of September 2018. </h2>
The chart describes the consumption of calories taken each day.
Starting from the daily meal during the day along with calculation of calories, the type and time given over the physical activities, and total calories value added in the day time. All these are mention in the attached chart.
<span>A is the most appropriate answer. Stress is a bodily reaction to stressors - it is a physiological response - but it is not benign, as this means harmless, and stress can be very bad for your health. When people do not know how to respond appropriately to environmental factors, they may become stressed.</span>
Answer:
Memory cell
Explanation:
Memory cells are long-lived immune cell that can recognize a foreign particle that it previously encountered and consequently fight it by providing or building a faster and stronger response for the immune system.
The memory cells don't respond immediately when it recognizes the foreign particle, but, provides a faster response when it encounters the particle subsequently.
The memory cells are long lived immune cells which means they can live in a system for a vey long period.
There are 2 types of memory cells
Memory B cells and memory T cells.
Answer: The vertebrate digestive system, responsible for providing nutrients for maintaining body homeostasis, consists of two components in anurans: the digestive tract and the accessory glands. The digestive tract includes the oral cavity, pharynx, esophagus, stomach, and small and large intestine, ending in the cloaca.
Explanation:
