What are the muscles composed of?

Why do arteries need to be thick, muscular, and elastic? to make our bodies strong for movement to withstand the pressure of the blood that is being pumped by the heart to pull the blood back to the heart from all areas of the body to withstand

Joseph lives in a country that lacks basic social infrastructure. Moreover, the banking system is not managed properly. The level of education is low.

Which of the following can result in a population looking more similar overtime and can be described as selections against both extreme of a trait

The physical basis of memory is a pathway through the brain called a memory trace, in which new synapses have formed or existing synapses have been modified to make transmission easier. True or False

How are pine trees and blue jay the same

What are cells with a nucleus called? eukaryotic cells nuclear cells prokaryotic cells membrane cells

What is the likeness that the child will have wavy hair?

Explain how the following modifications to cell structure could increase efficiency of materials exchange between the cell and its environment: The cell is thin and flat The cell has extensions such as cilia on its membrane The cell uses vesicles to

Three of these processes normally consume oxygen. Which process produces oxygen? A) combustion B) respiration in animals C) photosynthesis in plants D) operation of an acetylene torch

Why is membrane more permeable to potassium?