Answer:
In simple cuboidal epithelium, the nucleus of the box-like cells appears round and is generally located near the center of the cell.
Answer:
Which of the following equations are balanced correctly?
2Ag2O → 4Ag + O2
Zn + HCl → ZnCl2 + H2
Cu + H2O → CuO + H2
2C4H10 + 13O2 → 8CO2 + 10H2O
Explanation:
Answer
Thermoregulation
Blood clotting
Regulating blood sugar
Explanation:
Negative feedback loop reduces excessive function..
Cooling the body when it's hot.
Reducing blood sugar when it's too much.
Clotting blood to stop excessive bleeding.
Contractions during childbirth is a positive feedback.
Answer: relieving tonsilitis by Reducing the size of the tonsils thus converting enlarged, unhealthy tonsils to healthy ones.
Explanation:
Tonsils are your first line of defense against illness. They produce white blood cells to help your body fight infection. The tonsils combat bacteria and viruses that enter your body through your mouth. However, tonsils are also vulnerable to infection from these invaders.
Answer:
they are Na+, K+ and Ca2+ ion channels.
Explanation:
Ionotropic acetylcholine receptors are also called nicotinic acetylcholine receptors because beside acetylcholine (Ch) they respond to nicotine. These receptors are primary receptors in muscle for motor nerve-muscle communication that controls muscle contraction.
Two molecules of ACh are required for receptor to open. Since the receptors are linked to ion channels, the channels open. Opening of the channel allows positively charged ions to move across it: sodium enters the cell and potassium exits.
