Arrector muscle
hope it helpss
Answer:
Excitement
Explanation:
Sympathetic nervous system is a type of autonomic nervous system that acts as an emergency system of the body.
Sympathetic nervous system prepares the body during fight and flight response. The energy is put out in this system and protects the body from the injury. During excitement the heart speeds up, blood pressure increases and more energy is available to the body. Hence, excitement is the characteristic of sympathetic division of nervous system.
Thus, the correct answer is option (b).
Answer:
Hydrogen
Explanation:
Hydrogen is the non-mineral nutrient, that is essential for photosynthesis.
Carbon, Oxygen and Hydrogen are the non-mineral nutrients.
Answer:
<em>C.) </em><em>Brachiation</em>
Explanation:
Brachiation or arm swinging is a form of arboreal locomotion in which the animal swings from one branch to the other, using only their arms, this form of locomotion in the long evolutionary term is related to shorter legs as they are less heavy, and allow better swinging, and stable lumbar spines that counteract with the movement, for it not to get deformed with the constant swinging.