The answer would be 2 placenta. A thin walled sac that surrounds the fetus during pregnancy. The sac is filled with amniotic fluid(liquid made by fetus) and the amnion(the membrane that covers the fetal side of the placenta)
Exercise helps move blood and nutrients throughout your body so, it is very true.
In the first empty box I would state that the neurotransmitters cause the smooth muscles in the vessel to relax and expand.
In the last empty box I would state that the Blood pressure rises.
Explanation:
Neurotransmitters can effect the blood vessels in both ways.
When vessels get narrow more pressure is needed: Blood Pressure increases.
When vessels expand less pressure is needed: Blood Pressure Decreases
Answer:
yes they do they can cause severe differences
Well which strength training exercise are you talking about there are alot them and I mean alot there are leg, arms, stomach, and brain.
For legs and arms there are running, swimming jumping jacks and ect
and for your braing there learnig helpers aka tutors and learning Rx