Answer:
A Y-chromosome
Explanation:
Males have one X and one Y chromosome
Answer:
Insulin and glucagon
Explanation:
Insulin and glucagon are hormones that help regulate the levels of blood glucose, or sugar, in your body.
If you are startled by the sound of a loud explosion, the sympathetic nervous system will become dominant. The sympathetic nervous system is responsible for regulating not only the functioning of the visceral organs (kidneys, digestive system and circulatory system) but also all the automatic functions of the organism, such as breathing, circulation, digestion and elimination.
Answer:
c
Explanation:
all cells do not have an nucleus
Answer:
For 4.) The lighter outer part of a shadow is called the penumbra. Hope this helps ^_^
