Physical activity causes an increase in your heart rate. Your body have to change the way it behaves so you don’t get ill or sick or pass out during physical exertion
Permitting the exchange of nutrients and gases between the blood and tissue cells is the primary function of capillaries. Capillaries are the smallest blood vessels , they are only one cell thick, and they act as sites of the transfer of oxygen and other nutrients from the bloodstream to the body tissues. Additionally, they also collect carbon dioxide, waste materials and fluids for return to the veins.
Answer:
Chloroplasts are specialized organelles found only in plants and some types of algae. These organelles carry out the process of photosynthesis, which turns water, carbon dioxide, and light energy into nutrients from which the plant can obtain energy. There can be over one hundred chloroplasts in certain plant cells.
Explanation:
plz mark me brainliest
Answer:
The answer to your question is: D. Binary fission
Explanation:
A. Mitosis This is the process by which somatic cell divide, from 1 cell the result is 2 cells.
B. Meiosis This is process by which reproductive cells divide, the product of this process is 4 daughter cells.
C. Conjugation is a process by which bacteria transfer DNA to another cell but is not a process of division.
D. Binary fission , this is the process by which Bacteria reproduce, the result of the mechanism is 2 identical daughter cells.
Answer:
a fertilized egg- zygote
separation of two ends of an old cell- cytokinesis
union of egg and sperm- fertilization
egg-producing organ in lower plants- archegonium
