The endocrine system is comprised of endocrine glands that secrete hormones directly into the blood rather than through ducts. Glands are organs in the bodies of humans or animals that secrete chemicals for bodily use or to go into the environment. Ducts are tubular canals in the body that carry secretions from glands.
Answer:
In life, muscle cells contract and relax due to the actions of two filamentous proteins (actin and myosin), which slide along each other. After death, the cells are depleted of their energy source and the protein filaments become locked in place. This causes the muscles to become rigid and locks the joints.
Answer:
ionic bond
Explanation:
When two ions transfer electrons or bond together they make an ionic bond.
<span>Bonds between atoms are broken and new bonds are formed.</span>
Answer:
Explanation: Three atmospheric processes modify the solar radiation passing through our atmosphere destined to the Earth's surface. These processes act on the radiation when it interacts with gases and suspended particles found in the atmosphere.
