During the second trimester of pregnancy, fetal development progresses by leaps and bounds. Pregnancy symptoms for the mother also undergo some changes. The risk of miscarriage is also decreased.
- the second trimester of pregnancy usually marks the disappearance of fatigue, nausea, morning sickness, and breast tenderness. The mother will notice physical changes :darkening skin, swelling breasts, and the appearance of weak contractions.
Soreness in the hips and pelvis as the body adjusts to make room for the growing fetus.
During the second trimester, women can be more prone to urinary tract infections and bladder infections. Some women develop constipation and hemorrhoids. Some dietary adjustments can make women feel more comfortable and reduce these pregnancy symptoms.
Signs of weight gain in areas like the thighs and upper arms.
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Answer:
a)The brain is protected by the bones of the skull and by a covering of three thin membranes called meninges.
b) Even before you leave the womb, your brain works throughout your life to control your body's functions and helps you understand and interact with the world around you.
Explanation:
This question depends on the person. Usually by around 200 to 210, your heart begins to go into an abnormal rhythm or disrythmia, called VT or PVT. The respectively, stand for Ventricular Tachycardia and Pulseless Ventricular Tachycardia (PVT is the more dangerous variety). At around this stage a patient runs the risk of cardiac arrest, which is dangerous because while the heart continues to beat, the contractions are so fast, blood isn't being let into the chambers of the heart. Without blood actually being pumped, the person is unable to perfuse, and goes into shock, seizure, coma, and then death.
