The most massive part of the atom is the NUCLEUS which has a POSITIVE charge.
(That's why we have electrons to balance the charge)
I hope this helps!
Answer
At week 5-6 of gestation, the baby’s heart starts beating.
Explanation
Fertilization occurs in week 3 followed by implantation in week 4.In week 5 the levels of hormones increases with formation of the baby’s heart and circulation system. In week 6, the neutral tube closes followed by development of structures necessary to form eyes and ears. The head of the baby develops at week 7 followed by nose in week 8 and toes in week 9.
Answer:
Breathing is when u breath out corbin dioxied and breath in air Breathing is important because if u dont breath then u could die. i onestley dont know what a diagram is srry.....ummmm im srry i tried my hardest i dont know what the other things are .
Explanation:
B) cortisol ensures that the brain has glucose when it’s necessary. Cortisol is a steroid hormone that helps control blood sugar levels, metabolism, and inflammation. Glucose, also known as sugar, is an energy source used in cells in the body. The brain is highly demanding of energy since it is so rich in nerve cells and neurons, so glucose is essential to the brain. Too much can harm the brain though, so it is important for the cortisol to control the sugar levels.