Please solve these questions.:
17. Draw a sectional view of the human heart and label on it: Aorta, Right ventricle and Pulmonary vein.
18.Draw and label the parts of human excretory system.
19. What are the functions of gastric glands present in the wall of the stomach?
Dear Student
Solution to your query 17, 18, and 19 are provided below:
Q17.
![](https://s3mn.mnimgs.com/img/shared/content_ck_images/ck_5b14ee12b96d2.jpg)
Q18.
![](https://s3mn.mnimgs.com/img/shared/content_ck_images/ck_5b14ee96633c9.jpg)
Q19. Gastric glands are present in the stomach and secrete gastric juice which contains pepsin, HCl, and mucous, these are essential for digestion of food because pepsin is responsible for protein digestion, HCl provides an environment for a proper functioning of an enzyme and mucous protect inner wall of the stomach from HCl.
Regards
Solution to your query 17, 18, and 19 are provided below:
Q17.
![](https://s3mn.mnimgs.com/img/shared/content_ck_images/ck_5b14ee12b96d2.jpg)
Q18.
![](https://s3mn.mnimgs.com/img/shared/content_ck_images/ck_5b14ee96633c9.jpg)
Q19. Gastric glands are present in the stomach and secrete gastric juice which contains pepsin, HCl, and mucous, these are essential for digestion of food because pepsin is responsible for protein digestion, HCl provides an environment for a proper functioning of an enzyme and mucous protect inner wall of the stomach from HCl.
Regards