A suction line is usually cold to the touch.
Yes, they can but they can only touch with their suction cups to taste. They can't just touch with their body.
WARM
Actually, you probably don't want the "lowest PH". You want a shampoo and conditioner that is going to suite your hair (your hair's pH is between 4.5-5.5, so you'll want a conditioner with that PH). Being that no one on here can touch/feel your hair, I'd say you should talk to a stylist about the right shampoo/conditioner for yourself.
No however, you should never put the conditioner on your scalp. And comb the conditioner through your hair, then cool rinse it out. You won't believe how good your hair will feel after.
Yes
You can feel your legs by trying to move them or touch them with your hand.
ABSOLUTELY If you feel a 'buzz' when you touch a pot on an electrical stove, then there is leakage current where it should not be. Get this fixed immediately! You are in danger of electrocution!
touch the surface of the brain how does it feel
No, your kidney should not feel hard to the touch. Healthy kidneys are typically soft and smooth. If you notice any hardness, swelling, or unusual sensations in the area of your kidneys, it could indicate an underlying health issue, and you should consult a healthcare professional for evaluation.
The definition for touch is feel.
No, it is not normal for a circuit breaker to feel hot to the touch. If a circuit breaker feels hot, it may indicate an issue with the electrical system that should be addressed by a professional electrician.
Use conditioner