IMMUNOLOGY

OVERVIEW OF THE IMMUNE SYSTEM

LYMPHATIC TISSUES AND ORGANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The heart, blood vessels, and blood are in which system:
A
Circulatory
B
Endocrine
C
Integumentary
D
Sensory
Explanation: 

Detailed explanation-1: -Your heart and blood vessels make up the circulatory system. The main function of the circulatory system is to provide oxygen, nutrients and hormones to muscles, tissues and organs throughout your body.

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