Question

please tell me fast please ​

Answer 1

Answer:

1)An organ system is a group of organs that work together as a biological system to perform one or more functions. Example - Circulatory system , excretory system etc .

2) Heart is the main organ. of Circulatory system .

It’s the muscle at the centre of your circulation system, pumping blood around your body

3) There are four main types of teeth,

Incisors

Canines

molars

premolars

4) Kidney , urethra ,ureter ,urinary bladder

hope it helps u

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Answer 2

1.An organ system is a group of organs that work together as a biological system to perform one or more functions. Each organ does a particular job in the body, and is made up of distinct tissues.

The 11 organ systems include the integumentary system, skeletal system, muscular system, lymphatic system, respiratory system, digestive system, nervous system, endocrine system, cardiovascular system, urinary system, and reproductive systems.

2. The heart is the most important organ of the circulatory system.

The four main functions of the heart are:

• Pumping oxygenated blood to the other body parts.

• Pumping hormones and other vital substances to different parts of the body.

• Receiving deoxygenated blood and carrying metabolic waste products from the body and pumping it to the lungs for oxygenation.

• Maintaining blood pressure.

3. We have 4 types of teeth.

They are :-

molars, premolars, incisors, and canines.

4. A few important organs of the excretory system are:-

kidneys, ureter, urethra, urinary bladder.

Hope this helps you.