It depends on the height, not just the age. use a BMI calculator to find out using your age, height, and weight
The cardiac cycle consists of two phases; a period where the heart muscle is relaxed, called <u>diastole</u>, and a period of contraction, called <u>systole</u>.
These are then divided into four stages. These are;
1.<u>Ventricular Filling Period (VPF)</u>
2. <u>Isovolumetric Contraction Period (ICP)</u>
3. <u>Ventricular Ejection Period (VEP)</u>
4.<u> Isovolumetric Relaxation Period (IRP)</u>
At rest, cardiac diastole lasts for approximately 0.5 seconds, and cardiac systole lasts approximately 0.3 seconds to complete. However, during exercise, when the heart rate is increased the time period of <u>diastole</u> , especially, is reduced.
The best answer is A! I hope this helps and I am sorry if I am wrong:(
Answer:
Motor neurons.
Explanation:
Neurons may be defined as the structural and functional unit of the nervous system. Three main types of neuron are inter neuron, sensory neuron and motor neuron.
The motor neuron carry the nerve impulse from the brain and spinal cord to the effector organs. The muscle has been sent from the central nervous system to the leg (effector organ), so motor neuron has been used for the transmission of nerve impulse into the leg.
Thus, the correct answer is option (a).
I think C because if something happens you might drown and no one to help you. but that's just a guess
