Answer:
i dont know
Explanation:
i really dont know im just a 12 year old kid struggling with math
Answer: A torch is a practical example of a simple electric circuit.
Explanation: it consist of a bulb, electric cells, a switch, a reflector and a cylinderical shape casing bulb.The bulb emits lights when electric current flows through its filament.
D) cell respiration
Photosynthesis is the primary funtion of the leaves.
Explanation:
Photosynthesis is defined as the chemical process of converting light energy into chemical energy in a form of food or sugar. Leaves contain most of the chloroplasts in plants that are responsible in capturing light for photosynthesis to occur.
Leaves are naturally green to serve their purpose. This green color is caused by the reflection of the green portion of the visible light spectrum by the green coloring pigment, chlorophyll. Chlorophyll, that is contained in chloroplasts, captures certain wavelengths of light, as energy to initiate photosynthesis. As a result, we get food from plants.
<span>1. Smooth functioning of nerves-Calcium is key in helping nerves transmit messages across cells in the body.
2. Clotting of blood-Calcium helps in the clotting function of blood
3. Aids the contraction of muscles-Our muscles make use of calcium to aid them in contracting during the course of normal muscle functions.</span>
Answer: regulation of body temperature
Explanation:
The sympathetic nervous system is responsible for directing the involuntary actions and controls in the body one of the action is the maintenance of homeostasis.
Homeostasis is the ability of the body to regulate it's internal temperature, pH and internal body environment with respect to the changes occurring in the external environment surrounded by the body.
The sympathetic system helps in regulating the body temperature by directing the sweat glands to secrete sweat to obtain a cooling effect.