Answer:
extra calcium
Explanation:
it binds to the vesicles in the terminal axon and induces exocytosis. If there is more calcium, more neurotransmitter will be released
HIV or Human Immunodeficiency Virus kills or damages the body's Immune system cells. The correct answer is option B. HIV specifically damages or kills the T-Helper Lymphocytes or T-cells, which are very important to the body's immune system. These cells are the cells that respond rapidly to infections.
Skeletal tissue which makes up the skeletal system.
Answer:
Have hard parts
Were generally large
Lived in a narrow range of geographical area
Are extinct
Explanation:
Answer:
adaptations (based on natural selection)