2A - Conception and Prenatal Dev

Question 1

Fetus stage of development: 3 weeks

Answer 1

Heart begins to pump blood.

Question 2

Six Weeks:

Answer 2

Brain activity is detectable and begins to control movement

Question 3

Nine Weeks:

Answer 3

Fingerprints evident on skin

Question 4

Ten Weeks:

Answer 4

Can squint, swallow and wrinkle its forehead.–Can recoil from pain

Question 5

12 Weeks:

Answer 5

Sleeps, awakens and exercises its muscles energetically–Turns head, curls toes and opens and closes mouth.

Question 6

13 Weeks:

Answer 6

Fine hair has begun to grow on head and –Sexual differentiation has become apparent.