Asked by Elizabeth Andrade on May 25, 2024
Verified
Which of the following would be caused by a contraction of smooth muscle?
A) Goose bumps
B) Blood leaving the left ventricle of the heart
C) Elevating the eyebrows
D) Blinking the eyelids
E) Deep inspiration
Smooth Muscle
A type of muscle tissue which is not under conscious control, found in the walls of internal organs such as the stomach, intestines, and blood vessels.
Goose Bumps
The phenomenon where the skin appears to have goosebumps due to the erection of hairs, typically caused by cold or emotional factors.
Left Ventricle
The Left Ventricle is one of the four chambers of the heart, responsible for pumping oxygenated blood through the aorta to the rest of the body.
- Acquire knowledge on the role of smooth muscle contraction in physiological activities.
Verified Answer
NZ
Nurhuda ZayaniMay 27, 2024
Final Answer :
A
Explanation :
Goose bumps are caused by the contraction of small muscles called arrector pili muscles, which are smooth muscles attached to hair follicles. This contraction pulls the hair follicle upright, creating the appearance of goose bumps.
Learning Objectives
- Acquire knowledge on the role of smooth muscle contraction in physiological activities.