Answer:
As blood enters the artery, the walls of these vessels expand and contract, which can be felt as the pulse where the arteries run close to the body surface. As blood enters the artery, the walls of these vessels expand and contract, which can be felt as the pulse where the arteries run close to the body surface. It is common to detect the pulse with a few fingers placed on the radial artery on the wrist, or the carotid artery in the neck. Because the walls of the arteries pulse whenever the left ventricle contracts, the pulse rate generally indicates the cardiac function, which is normally between 50 and 85 in a healthy adult.
Brainly??!!
endoplasmic reticulum
Protein folding occurs in a cellular compartment called the endoplasmic reticulum. This is a vital cellular process because proteins must be correctly folded into specific, three-dimensional shapes in order to function correctly.
They walk on all fours , they can’t swim , shorter lifespan, extra chromosomes
C. there is an equal amount of day and night everywhere on earth.
C. They are pulled toward Earth by the force of gravity (and in Physics you would learn that the deceleration speed of gravity is -9.8m/s/s)