Answer:
Blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs. Blood leaves the heart through the aortic valve, into the aorta and to the body. This pattern is repeated, causing blood to flow continuously to the heart, lungs and body.
Explanation:
Answer:
light, what they can and connot see
Explanation:
Cell is the structural and functional unit of life. It has various components that are important for its survival such as plasma membrane, mitochondria, endoplasmic membrane, nucleus, golgi body, etc.
Answer: At a minimum, for a cell to be alive, it must contain the following organelles:
1. Plasma membrane: It is the covering of the cell that is selectively permeable.
2. Nucleus: It contains genetic material which is important for DNA replication.
3. Mitochondria: It is the power house of the cell that synthesizes ATP.
